23 new local confirmed cases and 174 new local asymptomatic infections in Shanghai yesterday

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On November 30, 2022 from 00-24 hours, 23 new confirmed cases of indigenous New Coronary Pneumonia and 174 asymptomatic infections were added, of which 4 confirmed cases and 4 asymptomatic infections were detected in social surface nucleic acid testing and 19 confirmed cases and 170 asymptomatic infections were detected in isolation control. There were 6 confirmed cases and 52 asymptomatic cases of imported NCCP from abroad.

Status of local cases

From 0-24 hours on November 30, 2022, there were 23 new confirmed cases of indigenous New Coronary Pneumonia. Five cases were cured and discharged from the hospital.

Case 1 – Case 3, residing in Minhang district.

Case 4, residing in Qingpu district.

Abnormalities were found in the standing nucleic acid test, which was reviewed by the city and district CDC and the nucleic acid test result was positive. Diagnosed as a confirmed case after consultation with municipal experts and comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings. (Released on November 30)

Case 5, temporarily residing in Baoshan District

Case 6 and Case 7, residing in Pudong New Area.

Case 8, residing in Jing’an District.

Case 9, residing in Baoshan District.

All of them were returned to Shanghai from other provinces and were put under control upon arrival in Shanghai, during which the nucleic acid test results of the new coronavirus were abnormal and were reviewed by the CDC with positive results. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings, etc. were diagnosed as confirmed cases.

Cases 10 – Case 12, residing in Pudong New Area.

Case 13, Case 14, residing in Jing’an district, and

Case 15, residing in Minhang district, and

Case 16, residing in Fengxian District.

All of them are close contacts of local infected persons who have returned to Shanghai from other provinces. During the isolation and control period, the nucleic acid test results of the new coronavirus were abnormal, and the results were reviewed by the CDC and found to be positive. The comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as confirmed cases.

Case 17 and Case 18, residing in Pudong New Area.

Case 19 and Case 20, residing in Changning District, and

Case 21, residing in Jing’an district, and

Case 22, residing in Minhang district.

Case 23, residing in Songjiang District.

All of them are close contacts of socially relevant indigenous infected persons reported in the city. The results of the nucleic acid test for the new coronavirus were abnormal during the isolation and control period, and the results were reviewed by the CDC and found to be positive. The epidemiological history, clinical symptoms, laboratory tests and imaging findings were combined to diagnose a confirmed case.

The situation of local asymptomatic infected persons

There were 174 new cases of native asymptomatic infected persons from 0-24 hours on November 30, 2022.

Asymptomatic infected person 1 and asymptomatic infected person 2, residing in Pudong New Area

asymptomatic infected person 3, residing in Changning District, the

asymptomatic infected person 4, residing in Hongkou district.

Abnormal results were found in the standing nucleic acid test, which was reviewed by the city and district CDCs, and the nucleic acid test results were positive. Diagnosed as an asymptomatic infected person after consultation with municipal experts and comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings. (Released on November 30)

Asymptomatic infected person 5 – Asymptomatic infected person 19, temporarily residing in Pudong New Area

Asymptomatic infected person 20, temporarily residing in Huangpu District

Asymptomatic infected person 21, temporarily residing in Xuhui District

Asymptomatic 22 – Asymptomatic 24, temporarily living in Changning District

Asymptomatic 25 – Asymptomatic 27, temporarily living in Jing’an District

Asymptomatic 28, temporarily living in Putuo District

Asymptomatic 29 – Asymptomatic 31, temporarily living in Yangpu District

Asymptomatic 32, temporarily living in Minhang District

Asymptomatic infected person 33 – Asymptomatic infected person 38, temporarily living in Baoshan District

asymptomatic infected person 39-asymptomatic infected person 43, temporarily residing in Jiading District

Asymptomatic infected persons 44, asymptomatic infected persons 45, temporarily residing in Jinshan District

asymptomatic infected person 46-asymptomatic infected person 48, temporarily residing in Songjiang District, the

Asymptomatic infected persons 49, asymptomatic infected persons 50, temporarily residing in Qingpu District

asymptomatic infected person 51, temporarily residing in Fengxian District, the

asymptomatic infected person 52 – asymptomatic infected person 55, residing in Pudong New District

asymptomatic infected person 56, asymptomatic infected person 57, residing in Huangpu District

Asymptomatic infected persons 58-asymptomatic infected persons 60, residing in Xuhui District, the

asymptomatic infected person 61, residing in Jing’an district, the

asymptomatic infected person 62-asymptomatic infected person 65, residing in Putuo District, the

asymptomatic infected person 66, asymptomatic infected person 67, residing in Minhang District

asymptomatic infected person 68, residing in Baoshan District, the

asymptomatic infected person 69, residing in Jiading District, the

asymptomatic infected person 70-asymptomatic infected person 72, residing in Songjiang District

Asymptomatic infected person 73, residing in Qingpu District

Asymptomatic patient 74, residing in Fengxian District.

The results of the nucleic acid test for the new coronavirus were abnormal, and the results were reviewed by the CDC as positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings, etc., diagnosed as asymptomatic infections.

Asymptomatic infected person 75-Asymptomatic infected person 79, residing in Pudong New Area

asymptomatic infected person 80-asymptomatic infected person 86, residing in Huangpu district, and

asymptomatic infected person 87-asymptomatic infected person 89, residing in Xuhui district, and

asymptomatic infected person 90, residing in Changning District

Asymptomatic infected person 91, residing in Jing’an district

Asymptomatic infected person 92, residing in Putuo District

Asymptomatic 93 – Asymptomatic 96, living in Hongkou District

Asymptomatic 97 – Asymptomatic 100, residing in Yangpu District

asymptomatic infected person 101-asymptomatic infected person 110, residing in Minhang District, the

asymptomatic infected 111, asymptomatic infected 112, residing in Baoshan District, the

asymptomatic infected person 113-asymptomatic infected person 117, residing in Jiading District, the

asymptomatic infected person 118, asymptomatic infected person 119, residing in Jinshan District, the

asymptomatic infected person 120-asymptomatic infected person 123, residing in Songjiang District, the

asymptomatic infected person 124-asymptomatic infected person 131, residing in Qingpu District, the

Asymptomatic 132, residing in Fengxian District.

All are close contacts of previously reported local infected persons from other provinces returning to Shanghai. The nucleic acid test results of the new coronavirus were abnormal during the isolation and control period, and the results were reviewed by the CDC as positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging results, etc., diagnosed as asymptomatic infected persons.

Asymptomatic infected persons 133 – Asymptomatic infected persons 140, residing in Pudong New District

Asymptomatic infected persons 141 – Asymptomatic infected persons 144, residing in Huangpu District

Asymptomatic infected person 145, residing in Xuhui District

Asymptomatic infected person 146 – Asymptomatic infected person 153, residing in Changning District

Asymptomatic infected person 154, residing in Jing’an district

Asymptomatic infected person 155-Asymptomatic infected person 157, residing in Putuo District

asymptomatic infected 158-asymptomatic infected 161, residing in Hongkou district, the

asymptomatic infected 162, asymptomatic infected 163, residing in Yangpu District, the

asymptomatic infected person 164-asymptomatic infected person 166, residing in Minhang District, the

asymptomatic infected person 167, asymptomatic infected person 168, residing in Baoshan District, the

asymptomatic infected person 169, residing in Jiading District, the

asymptomatic infected person 170, asymptomatic infected person 171, residing in Songjiang District, the

Asymptomatic infected person 172, residing in Qingpu District, the

Asymptomatic infected person 173, residing in Fengxian District.

All are close contacts of socially relevant indigenous infected persons reported in the city. The results of the nucleic acid test for the new coronavirus were abnormal during the isolation and control period and were reviewed by the CDC as positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infected persons.

Asymptomatic infected person 174, residing in Chongming district.

Abnormalities were found in routine nucleic acid testing of closed-loop management key personnel, and the results were reviewed by the CDC and found to be positive. The epidemiological history, clinical symptoms, laboratory tests and imaging results were combined and diagnosed as asymptomatic infected person.

The situation of imported cases from abroad

From 0-24 hours on November 30, 2022, six confirmed cases of overseas imported neocrown pneumonia were reported through the joint prevention and control mechanism at the port. Six cases were cured and discharged, including two cases from the United States, two cases from Canada, one case from Uganda, and one case from Singapore.

Case 1 was of Chinese nationality, working in Hungary, departed from Hungary and arrived at Shanghai Pudong International Airport on November 26, 2022, and was centrally isolated for observation upon entry, during which symptoms developed. The epidemiological history, clinical symptoms, laboratory tests and imaging findings were combined to diagnose a confirmed case.

Case 2 was an Australian national who was visiting her family in Australia and arrived at Shanghai Pudong International Airport on November 26, 2022, via a connecting flight in Austria. The comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings led to the diagnosis of a confirmed case.

Case 3 and case 4 are both of Chinese nationality, case 3 works in Japan and case 4 lives in Japan. Case 3 and case 4 departed from Japan on the same flight and arrived at Shanghai Pudong International Airport on November 27, 2022, and were placed under intensive isolation and observation upon entry, during which they developed symptoms. A comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were used to diagnose a confirmed case.

Case 5, a Chinese national working in Russia, departed from Russia and arrived at Shanghai Pudong International Airport on November 27, 2022, and was placed under intensive isolation for observation upon entry, during which she developed symptoms. The epidemiological history, clinical symptoms, laboratory tests and imaging findings were combined to diagnose a confirmed case.

Case 6 was a US national, working in the United States, departed from the US and arrived at Shanghai Pudong International Airport on November 28, 2022, and was placed under intensive quarantine observation upon entry, during which she developed symptoms. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were used to diagnose the case as a confirmed case.

Six cases of overseas imported confirmed cases have been transferred to designated medical institutions for treatment, and 66 close contacts of the same flight have been traced, all of whom have been implemented for centralized isolation and observation.

The situation of overseas imported asymptomatic infected persons

From 0-24 hours on November 30, 2022, there were 52 new cases of imported asymptomatic infections from abroad.

Asymptomatic infected person 1 is a Canadian national, living in Canada, departed from Canada and arrived at Shanghai Pudong International Airport on November 19, 2022, and was placed under centralized isolation and observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 2 was of Chinese nationality, working in Singapore, departed from Singapore and arrived at Shanghai Pudong International Airport on November 19, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 3 was of Chinese nationality, working in Russia, departed from Russia, arrived at Shanghai Pudong International Airport on November 20, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients4 were of Chinese nationality, working in France, departed from France, transferred through the United Arab Emirates, arrived at Shanghai Pudong International Airport on November 21, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients5 were of Chinese nationality, working in Finland, departed from Finland and arrived at Shanghai Pudong International Airport on November 21, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients6 were of Chinese nationality, working in Ethiopia, departed from Ethiopia and arrived at Shanghai Pudong International Airport on November 22, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients7 were Chinese nationals living in the United States, departed from the United States, arrived at Shanghai Pudong International Airport on November 23, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 8 and asymptomatic infected person 9 were both of Chinese nationality, asymptomatic infected person 8 worked in Germany and asymptomatic infected person 9 traveled in Germany. Asymptomatic infected person 8 and asymptomatic infected person 9 departed from Germany, took the same flight and arrived at Shanghai Pudong International Airport on November 23, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected person10 was of Chinese nationality, studied in Australia, departed from Australia, arrived at Shanghai Pudong International Airport on November 23, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging results, etc., diagnosed as asymptomatic infected persons.

Asymptomatic infected person 11 is of Polish nationality, lives in Poland, departed from Poland, arrived at Shanghai Pudong International Airport on November 24, 2022, and was placed under intensive quarantine observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients12 were of Chinese nationality, working in Hong Kong, departed from Hong Kong and arrived at Shanghai Pudong International Airport on November 25, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected person13 was of Chinese nationality, living in Japan, departed from Japan, arrived at Shanghai Pudong International Airport on November 25, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person14 was a resident of Taiwan, visiting relatives in Taiwan, departed from Taiwan and arrived at Shanghai Pudong International Airport on November 26, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected person15 was of Chinese nationality, studied in Singapore, departed from Singapore, transferred via Hong Kong, arrived at Shanghai Pudong International Airport on November 26, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 16-asymptomatic infected person 18 were all Chinese nationals, asymptomatic infected person 19 were Belgian nationals, asymptomatic infected person 20 were German nationals. Asymptomatic infected person 16 and asymptomatic infected person 17 worked in Armenia, departed from Armenia and transferred via Austria, asymptomatic infected person 18 lived in Germany, departed from Germany and transferred via Austria. Asymptomatic Infected Person 19 lives in the United Kingdom and departs from the United Kingdom with a connecting flight via Austria, Asymptomatic Infected Person 20 works in Austria and departs from Austria, Asymptomatic Infected Person 16-Asymptomatic Infected Person 20 took the same flight and arrived at Shanghai Pudong International Airport on November 26, 2022, and was placed in intensive isolation for observation upon entry, during which routine nucleic acid testing was abnormal . After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients21 were of Chinese nationality, working in Singapore, departed from Singapore and arrived at Shanghai Pudong International Airport on November 26, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected person22 was of Chinese nationality, studied in the United Kingdom, departed from the United Kingdom, arrived at Shanghai Pudong International Airport on November 27, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 23 and asymptomatic infected person 24, both of Chinese nationality, worked in Malaysia, departed from Malaysia, took the same flight, arrived at Shanghai Pudong International Airport on November 27, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients25 were Japanese nationals living in Japan, departed from Japan, arrived at Shanghai Pudong International Airport on November 27, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected person26 is of Chinese nationality, works in the United States, departed from the United States, arrived at Shanghai Pudong International Airport on November 27, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 27 and asymptomatic infected person 28 were both Korean nationals, asymptomatic infected person 29 and asymptomatic infected person 30 were both Chinese nationals, asymptomatic infected person 27 was living in Korea, asymptomatic infected person 28 was visiting relatives in Korea, asymptomatic infected person 29 and asymptomatic infected person 30 were working in Korea, asymptomatic infected person 27-asymptomatic infected person 30 were from Korea departed, took the same flight, arrived at Shanghai Pudong International Airport on November 28, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 31-asymptomatic infected person 33 are all Chinese nationals, asymptomatic infected person 31 and asymptomatic infected person 32 studied in Canada, and asymptomatic infected person 33 visited relatives in Canada. arrived at Shanghai Pudong International Airport and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 34 and asymptomatic infected person 35 are both of Chinese nationality, asymptomatic infected person 34 lives in Spain and departs from Spain and transits through UAE, asymptomatic infected person 35 works in UAE and departs from UAE, asymptomatic infected person 34 and asymptomatic infected person 35 take the same flight and arrive at Shanghai Pudong International Airport on November 28, 2022, and are centrally isolated upon arrival for observation, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging results, etc., diagnosed as asymptomatic infected persons.

Asymptomatic Infected Person 36 – Asymptomatic Infected Person 38 are all Chinese nationals, Asymptomatic Infected Person 36 worked in Switzerland and departed from Switzerland, Asymptomatic Infected Person 37 worked in Germany and departed from Germany, Asymptomatic Infected Person 38 worked in Ireland and departed from Ireland, Asymptomatic Infected Person 36 – Asymptomatic Infected Person 38 were transferred via Finland transferred on the same flight, arrived at Shanghai Pudong International Airport on November 28, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 39-asymptomatic infected person 43 were all of Chinese nationality. Asymptomatic infected person 39 worked in Israel, departed from Israel and transferred via Germany, asymptomatic infected person 40 worked in the United States, departed from the United States and transferred via Germany, asymptomatic infected person 41 worked in Bulgaria, departed from Bulgaria and transferred via Germany, asymptomatic infected person 42 worked in Switzerland, departed from Switzerland and transferred via Germany. worked, departed from Switzerland with a connecting flight via Germany, asymptomatic infected person 43 worked in Germany, departed from Germany, asymptomatic infected person 39-asymptomatic infected person 43 took the same flight and arrived at Shanghai Pudong International Airport on November 28, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic Infected Individuals 44- Asymptomatic Infected Individuals 46 were all of Chinese nationality, working in France, departed from France, took the same flight, arrived at Shanghai Pudong International Airport on November 28, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected patients47 were of Chinese nationality, traveling in Singapore, departing from Singapore and arriving at Shanghai Pudong International Airport on November 28, 2022, and were centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 48 was of Chinese nationality, working in the United States, departed from the United States, arrived at Shanghai Pudong International Airport on November 28, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Asymptomatic infected person 49 and asymptomatic infected person 50 were both of Chinese nationality, and asymptomatic infected person 51 was of French nationality. Asymptomatic infected person 49 worked in Italy and departed from Italy with a connecting flight via France, asymptomatic infected person 50 worked in France and departed from France, asymptomatic infected person 51 lived in France and departed from France, asymptomatic infected person 49-asymptomatic Infected Individual 51 arrived at Shanghai Pudong International Airport on November 29, 2022 on the same flight and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the District CDC for New Coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

The asymptomatic infected patient52 was of Chinese nationality, working in the United States, departed from the United States, arrived at Shanghai Pudong International Airport on November 29, 2022, and was centrally isolated for observation upon entry, during which routine nucleic acid testing was abnormal. After screening, the nucleic acid test result of the district CDC for new coronavirus was positive. Comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging findings were diagnosed as asymptomatic infections.

Fifty-two cases of imported asymptomatic infections from abroad have been transferred to designated medical institutions for medical observation, and 720 close contacts of the same flight have been traced, all of which have been implemented for centralized isolation and observation.