USDA-smoke (image)

Caption
Wildfire smoke may greatly increase susceptibility to SARS-CoV-2, the virus that causes COVID-19, according to new research from the Center for Genomic Medicine at the Desert Research Institute, Washoe County Health District, and Renown Health in Reno, Nev.
Credit
U.S. Department of Agriculture
Usage Restrictions
The photo is a public domain image and may be used with appropriate credit.