Highlights • Respiratory droplets can travel beyond current physical distancing recommendations.• Limited evidence of air pollution linked to respiratory transmission.• COVID-19 close contact and testing criteria may need to consider… Click to show full abstract
Highlights • Respiratory droplets can travel beyond current physical distancing recommendations.• Limited evidence of air pollution linked to respiratory transmission.• COVID-19 close contact and testing criteria may need to consider these findings.• Universal masking may provide a viable option against these transmission dynamics.
               
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