research
One Flu Alarm Could Not Fit Eighteen Regions
Virus-positivity thresholds warned within about two weeks in most zones, while clinic-visit rates faltered in tropical settings.
Summary
Virus-positivity thresholds warned within about two weeks in most zones, while clinic-visit rates faltered in tropical settings.
Models built from 2009-2020 surveillance across 167 countries derived four intensity levels for 18 transmission zones. Virus positivity was the most robust early-warning signal; performance was strongest where seasonal patterns and surveillance were clear.
Why it matters
Virus-positivity thresholds warned within about two weeks in most zones, while clinic-visit rates faltered in tropical settings.
Limits and context
No additional limitation was separately recorded.
Key claims
Virus-positivity thresholds warned within about two weeks in most zones, while clinic-visit rates faltered in tropical settings.
Evidence: source-2026-08-04-020
Sources
- Frontiers in Public Health: region-specific influenza early warningFrontiers · secondary reporting
Corrections
No corrections have been recorded for this story.