Positive rate and infection rate in COVID-19.

On the evening of February 30th, 65438+2022, Hainan Provincial Center for Disease Control and Prevention issued a document introducing that as of February 27th, 65438 12, * * * 33682 people had filled in the second round of online questionnaire on COVID-19 infection in Hainan Province. According to the analysis, 35.5% of the respondents were infected with COVID-19 during 65438+February 19-25, which was 5.3 times higher than the previous round (65438+February 12- 18). In addition, on the 30th, a press conference on epidemic prevention and control in COVID-19, Hainan Province informed that recently, the number of new COVID-19 infections in Hainan Province is at a high level, and the estimated infection rate in the province has reached 50%. Sanya City and Haikou City as a whole have passed the peak of infection.

Many places in Zhejiang recently held a press conference to inform about the infection. On the afternoon of February 28th, 65438, the press conference on the prevention and control of infection in COVID-19, Quzhou City introduced that the overall infection rate in Quzhou City currently accounts for about 30%-35% of the total population, reaching the peak at the end of February 2022, reaching the first peak at the beginning of June 2023 (around New Year's Day) and entering a high platform period, which may be 65433. Zhoushan City estimates that the proportion of infected people in the city has reached 30% to 40%, and the total number of infected people is close to 400,000. It is estimated that the epidemic will enter the high plateau at the end of June 5438+February, and the peak period will last for about one week.

On February 26th, 2022, Sichuan CDC released a questionnaire survey (the second time), which showed that the infection rate of the respondents in the whole province 158506 was 63.52%, and 28% of the respondents had fever, cough and other symptoms similar to COVID-19 infection. Although no nucleic acid or antigen was detected, the actual infection rate of COVID-19 in this survey population should be higher than 63.52. The peak period of positive detection in the whole province is from June 5438 to February 65438 to February 23, 2022. At present, the number of new infections every day is on the decline.

The disease control departments in Neijiang and Ziyang, Sichuan released the survey results of COVID-19 infection questionnaire. From February 23 to 25, 2022, Neijiang 1 14 people participated in the survey, and the infection rate was 69.09%. There are 4904 people in ziyang, and the infection rate is 67.66%.

Xuefeng Tang, Party Secretary and Researcher of Sichuan Provincial Center for Disease Control and Prevention: According to the comprehensive judgment of the survey results, we think that the overall infection rate in Sichuan Province has exceeded 80%, and the peak of infection in the whole province should have passed, and now it is in a critical period to prevent serious diseases and reduce illness and death. Around the Spring Festival, the epidemic may rebound slightly due to the tide of returning home and rework.

Beijing and Shanghai: or Omicron strain.

In response to the spread of COVID-19 variants such as Delta virus in Beijing, Pan Yang, a researcher at the Institute of Infectious Diseases and Endemic Diseases of Beijing CDC, recently said that in the past two months, COVID-19, which was prevalent in Beijing, was the BF.7 branch and BA.5.2 branch of Omicron variant. Recently, the prevalence of non-Omicron variants such as XBB, BQ. 1 has not been found, such as the original strain and Delta.

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