Coronavirus, we don’t know if there will be herd immunity: here’s why

The percentage of the population that must become immune to protect those who are not varies according to the pathogen that is being fought.

In the case of the coronavirus, scientists are unable to indicate a certain percentage threshold. For at least three reasons. Here’s what they are

Covid, because we don’t know if there will be herd immunity

Text by Cinzia Lucchelli
Video on Rosita Gangi