The latest report from China National Center for Disease Control and Prevention! XBB | Branch | Disease Control
On June 11, the Chinese Center for Disease Control and Prevention released the national epidemic situation of novel coronavirus infection. The proportion of local cases of XBB and its sub branches gradually increased to 92.4% from May 22 to 28.
From May 1 to May 31, 2023, 31 provinces and Xinjiang Production and Construction Corps in China reported 2777 new severe cases and 164 deaths.
The outpatient diagnosis and treatment volume of fever in 31 provinces and Xinjiang Production and Construction Corps in China increased from 183000 on May 1, 2023 to 360000 on May 16, and then fluctuated and decreased to 294000 on May 31.
![The latest report from China National Center for Disease Control and Prevention! XBB | Branch | Disease Control](https://a5qu.com/upload/images/d46687762bb70c2613ad898bf0dea0ef.jpg)
The proportion of influenza like cases in outpatient visits at national sentinel hospitals has increased from 4.6% in the 17th week of 2023 to 6.2% in the 20th week, and has fallen back to 5.8% in the 21st week. The positive rate of COVID-19 in influenza like cases increased rapidly from 8.8% in the 17th week to 40.7% in the 20th week, and then slowly increased to 42.5% in the 21st week.
From May 1, 2023 to May 31, 2023, 31 provinces and Xinjiang Production and Construction Corps reported 14732 valid genome sequences of COVID-19, all of which are Omikron variants, covering 160 evolutionary branches. The main epidemic strains are XBB series variants, and the top three are XBB.1.9 and its sub branches, XBB.1.16 and its sub branches, XBB.1.5 and its sub branches.
According to the sampling date, the proportion of XBB and its sub branches gradually increased, from 84.6% from May 1st to May 7th to 92.4% from May 22nd to May 28th.
![The latest report from China National Center for Disease Control and Prevention! XBB | Branch | Disease Control](https://a5qu.com/upload/images/7586b145185475869f61a1aec82d4717.jpg)
According to the comprehensive monitoring data, from February to early April this year, the epidemic situation of COVID-19 infection throughout the country was sporadic. It began to rise gradually in late April, and the rising trend slowed down in late May. At present, it shows a downward trend.
Compared with April, the number of fever outpatient visits, severe cases and death cases increased in May, but the overall level was low, far lower than the situation at the peak of the epidemic at the end of last year. Severe cases and death cases were mainly elderly people and people with basic diseases. The average age of death cases was 79.3 years old, of which more than 90% were basic diseases combined with COVID-19 infection.
CDC said that the World Health Organization announced on May 5 that the COVID-19 infection situation no longer constitutes a "public health emergency of international concern". COVID-19 infection is a "Class B and Class B" infectious disease in China, which is announced once a month according to the requirements for the release of information on the epidemic situation of legal infectious diseases.
![The latest report from China National Center for Disease Control and Prevention! XBB | Branch | Disease Control](https://a5qu.com/upload/images/50177f787fe0e802b13503c5a1d6743d.jpg)