Smoke and soot from wildfires may be causing more Covid-19 cases and deaths

As the coronavirus surges again in the United States, scientists have found another disaster is playing a key role in the number of people who contract severe Covid-19 cases and how many die: wildfires.

As the coronavirus surges again in the United States, scientists have found another disaster is playing a key role in the number of people who contract severe Covid-19 cases and how many die: wildfires.