Harvard T.H. Chan School of Public Health epidemiologist Michael Mina explains why some COVID variants are considered more transmissible.
Watch the entire conversation here: [ Ссылка ]
![](https://s2.save4k.ru/pic/9c3HM4KlU0Q/maxresdefault.jpg)
Harvard T.H. Chan School of Public Health epidemiologist Michael Mina explains why some COVID variants are considered more transmissible.
Watch the entire conversation here: [ Ссылка ]