New coronavirus Omicron mutant strains BA.5.2 and BA.2.76 were found in Changdu, Tibet among people returning to Changdu

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Changdu City Center for Disease Control and Prevention (CDC) announced on November 13 that on November 8 and 9, new coronavirus Omicron mutant strains BA.5.2 and BA.2.76 were found in the nucleic acid screening of people returning to Changdu City for isolation and control, of which mutant strain BA.5.2 was found for the first time in Changdu City, and the disease control department is now taking decisive measures such as nucleic acid screening and local temporary control to trace the outbreak The CDC is taking decisive measures such as nucleic acid screening and local temporary control to trace the source of the epidemic and break the transmission chain.

The announcement shows that the available evidence shows that Omicron variant BA.5.2 is currently one of the most powerful epidemic strains, the mode of transmission is still respiratory droplet transmission and close contact transmission, but also through aerosol transmission and surface contact transmission, the infected person from being infected to infected people in an average of only 2 days, the shortest only about 24 hours, with more infectious, faster transmission, virus It is more contagious, faster spreading, more insidious, easy to cause a large range of transmission, the epidemic disposal, control difficulty than before greatly increased.

The announcement reminded the public that the mutant strain BA.5.2 should not be taken lightly, as most people infected with this strain are asymptomatic or have mild symptoms such as fever and cough. At the same time, there is no need to panic, as long as we adopt a scientific attitude and carefully implement preventive and control measures, we can still effectively deal with Omicron mutant strain BA.5.2. For the safety and health of ourselves, our families and others, we ask our citizens to raise their awareness of self-protection, get vaccinated in a timely manner, adopt good practices such as wearing masks, checking nucleic acid, taking body temperature, washing hands regularly, ventilating frequently, not gathering, going out less, and keeping a distance of They should understand, support, cooperate and participate in the prevention and control of the epidemic, and build up an epidemic defense line with everyone’s participation and group prevention and control. (End)