Have you noticed that in some families that share a home and space there are people who get covid-19 and others who test negative?
Dr. Marisa Azaret spoke with immunologist Alfredo Corell to find out how this is possible.
Why don't some people get the covid-19 coronavirus? | Videos | CNN
2022-02-17T22:32:11.109Z
Have you noticed that in some families that share a home and space there are people who get covid-19 and others who test negative? | Health | CNN
