国家疾控局：全国新冠疫情上升趋势减缓

Group 1 - The core viewpoint of the article indicates that the upward trend of the COVID-19 pandemic in China is slowing down, with most provinces reaching their peak or showing a downward trend [1] - The dominant circulating strain is the XDV variant's sixth-generation sub-branch NB.1.8.1, which has not shown significant changes in pathogenicity or clinical severity of the disease [1] - Monitoring results show that since March 2025, other acute respiratory infectious diseases, including influenza, have remained at low levels, while COVID-19 is gradually increasing [1] Group 2 - There are regional differences in the pandemic, with southern provinces exhibiting higher activity levels compared to northern provinces [1] - The number of patients visiting fever clinics and the number of severe cases have not exceeded previous levels, indicating no significant impact on normal medical order [1] - Current clinical cases are primarily mild or asymptomatic, and existing testing reagents and medications remain effective against the NB.1.8.1 sub-branch of the COVID-19 virus [1]