Why do asymptomatic infections account for a large proportion of the Laixi epidemic in Qingdao? The authoritative answer is here
CNR Qingdao, March 7 (Reporter Jia Xiaolin) At 11:00 am on March 7, a press conference on epidemic prevention and control in Qingdao was held to report the latest progress in the prevention and control of the new crown pneumonia epidemic.
The reporter learned from the meeting.
Since the outbreak of the Lacey epidemic on March 4, as of 24:00 on March 6, Lacey City has reported a total of 136 confirmed cases and 115 asymptomatic infections.
Among the confirmed cases, there are 135 mild cases and 1 common type; among them, 116 are students, 10 are teachers, and 10 are screened for key populations.
Why is there a large proportion of asymptomatic infections in this round of epidemic?
Jiang Fachun, deputy director of the Qingdao Center for Disease Control and Prevention, gave the answer.
It is related to the own characteristics of the Omicron variant.
With the mutation of the virus, the infectivity of the Omicron variant is enhanced, and the clinical symptoms are relatively mild, which will cause many infected people to not show clinical symptoms after infection, which is a very important feature.
associated with mass population immunization.
Now the coverage rate of vaccination is very high. After vaccination, the immunity of the human body is enhanced. Even if infected, some symptoms may not appear relatively. This is also a very important reason, so vaccination is still very effective.
related to early detection and control.
The rapid screening and detection of disease control personnel, and the early implementation of these measures have enabled some early infected people to be detected quickly, and they were detected before they had symptoms. This is a very important feature.
"Vaccination is a very important reason for the increase in our asymptomatic infections. Therefore, we also remind the general public that they should be actively vaccinated, especially the elderly who have no contraindications to vaccination. They should act quickly, get vaccinated as soon as possible, and obtain immune protection. ." Jiang Fachun introduced.