美英暴发疫情

Group 1 - The current flu season in the United States has seen approximately 2.9 million cases, with around 30,000 hospitalizations and 1,200 deaths reported so far [1] - The predominant strain of the flu virus this season is the H3N2 subtype, according to the CDC, with flu activity levels continuing to rise across most regions of the country [1] - As of the week ending December 6, the CDC reported 547 flu virus samples, of which 525 were identified as the influenza A virus and 22 as the influenza B virus [1] Group 2 - The flu season in the United States typically peaks between December and February each year [2] - The UK is currently experiencing an unprecedented wave of flu cases, with the National Health Service reporting record-high flu cases, averaging 2,660 hospitalizations per day last week, marking a 55% increase in cases within a week [3] - UK Health Secretary Wes Streeting indicated that the number of cases could potentially double before reaching a peak, describing the current hospital situation as "completely unacceptable" [3]