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Superspreading events pose outsized risk of COVID-19 transmission

Public health experts are starting to draw actionable lessons about the nature of how COVID-19 spreads. In addition to maintaining best practices –physical distancing, mask wearing and hand washing – it’s best to avoid extended, crowded indoor gatherings.

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Several recent studies have suggested that air pollution may make COVID-19 infections more severe. These findings fit with previous research documenting how air pollution damages our bodies and makes us more vulnerable to infectious diseases. This new research should spur us to redouble our efforts to reduce air pollution.