Particulate matter
Beijing PM2.5 and influenza-like illness
Open access · cc by · source: Europe PMC
Beijing PM2.5 averaged 100.66 μg/m³ and tracked higher influenza-like illness mainly in flu season.
Key findings
Mean PM2.5 was more than four times the WHO 25 μg/m³ guideline; 2-day average PM2.5 best predicted ILI; effects were strongest in flu season and among adults 25–59.
Methodology
Fit inverse-Gaussian GAMs of daily ILI counts (2008–2014) to US Embassy PM2.5, weather, and flu versus non-flu season.
Limitations
Single-monitor exposure cannot capture neighborhood differences or prove viruses hitchhike on particles.
How this study connects
Role on claims
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Beijing PM2.5 averaged 100.66 μg/m³ and tracked higher influenza-like illness mainly in flu season.
Evidence for the claim as stated.
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