Respiratory Viruses Surveillance Bulletin: Epidemiological Week 19, 2026
Situation report
21 May 2026
| Publication
Overview
- Regional influenza positivity remained stable and is at 8% in week 19 of 2026. SARS-CoV-2 positivity remains below 5% in the Region (Figure 1).
- The predominant circulating influenza subtype is influenza B(Victoria), accounting for 92.7% of all detections (Figure 2).
WHO Team
Division of Health Emergency Preparedness and Response,
WHO Western Pacific
Number of pages
12