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]

Group 1 - The overall trend of COVID-19 in China is showing signs of stabilization, with most provinces reaching their peak or experiencing a downward trend [2] - The dominant strain currently is the XDV variant, specifically the sixth generation sub-branch NB.1.8.1, which has not shown significant changes in pathogenicity or clinical severity [2] - Monitoring results indicate that the activity levels of the virus are higher in southern provinces compared to northern ones, with the number of patients in fever clinics and severe cases not exceeding previous levels, thus not impacting normal medical operations [2]