2024-12-17-世界卫生组织-Influenza_Update_N°_506_1页_1mb

Global Respiratory Virus Activity Weekly Update (Wk 506)

Influenza Activity

• Northern Hemisphere: Elevated influenza activity was reported from several regions (Northern Europe, South West Europe, Eastern Europe, Central America and the Caribbean, Western Africa, Middle Africa, Northern Africa, Western Asia, Southern Asia, South East Asia). Activity increased in some Europe and Asia countries.
• Southern Hemisphere: Influenza activity was elevated and increased in one Tropical South American country; it was similar or declined elsewhere. B viruses were predominant in that country.

SARS-CoV-2 Activity

• SARS-CoV-2 activity remained elevated in South America and a few European/Southeast Asian countries. Increased activity was reported in parts of Eastern Europe and South America, but activity was similar or declined in all other reporting countries.

(Summary data references: RespiMart, 17 Dec 2024)