Back to What we do (and don't) know about the coronavirus | David Heymann, with David Heymann.
What Makes Covid-19 So Challenging
This type of problem happens with every new virus, like SARS. Humans have never been exposed to Covid-19 virus before and it is unclear how well the immune system can handle it.
What we do (and don't) know about the coronavirus | David Heymann ·