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.
How this study connects
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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.
Study at a glance
- Design
- Other — Inverse-Gaussian GAMs of daily influenza-like illness counts versus Embassy PM2.5 and weather
- N
- Daily Beijing ILI and PM2.5 from 1 January 2008 to 31 December 2014
- Population
- Influenza-like illness reports in Beijing, stratified by age and flu season
- Outcome
- Ambient PM2.5 (mean 100.66 μg/m³) associated with higher ILI risk, especially in flu season and among adults 25–59
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Inspect source passages
Beijing PM2.5 and influenza-like illness
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
Daily mean PM2.5 was 100.66 μg/m³.
Daily mean concentration of PM 2.5 was 100.66 μg / m 3
There were 1763 ILI cases per day on average.
On average, there were 1763 ILI cases per day
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.
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