Studies showed increase in duration of hospitalization
Pollution Tied to Risk for Serious COVID-19 Despite Vaccination
Exposures to PM2.5 and NO2 linked to increased risk for COVID-19-related hospitalization, with and without adjustment for vaccination
Exposure to Air Pollution Linked to Increased COVID-19 Severity
Odds of hospitalization, intensive respiratory support, ICU admission for COVID-19 increased with increase in exposure to ambient PM2.5, NO2
Short-Term Exposure to Air Pollution Tied to SARS-CoV-2 Infection
Risk for positive SARS-CoV-2 PCR results increased with short-term exposure to PM2.5, PM10, and black carbon
COVID-19 Incidence Up With Exposure to Airborne Pollutants
Long-term exposure to low levels of air pollutants linked to increased incidence of COVID-19 in city in Northern Italy
Wildfires May Amplify Effect of PM₂.₅ Exposure on COVID-19 Dynamics
Increases in COVID-19 cases and deaths seen in 28 days following wildfire-linked increases in PM2.5