Medium disease control: in August, the positive rate of COVID-19 slowly increased nationwide | cases | virus
The Chinese Center for Disease Control and Prevention recently released the national report on severe and fatal cases of COVID-19 infection. From August 1 to 31, the daily average number of fever clinics in 31 provinces and Xinjiang Production and Construction Corps fluctuated around 125000. The proportion of influenza like cases in outpatient visits at national sentinel hospitals has fluctuated slightly from 3.3% from July 31 to August 6 to 3.5% from August 21 to 27. The positive rate of COVID-19 in influenza like cases rose slowly from 14.4% from July 31 to August 6 to 19.6% from August 21 to 27.
With regard to the monitoring of virus variation of indigenous cases, from August 1 to 31, 31 provinces and Xinjiang Production and Construction Corps reported 9608 valid genome sequences of COVID-19 of indigenous cases, all of which were Omikjon variants, covering 106 evolutionary branches. The main epidemic strains were XBB series variants, with the top three being XBB.1.9 and its sub branches, XBB.1.22 and its sub branches, XBB.1.16 and its sub branches.
According to the introduction of China National Center for Disease Control and Prevention, the proportion of XBB and its sub branches increased slightly in August based on the sampling date, with 99.6% from July 31 to August 6 and 99.8% from August 21 to 27.