A new variant, which is said to be actively circulating in France, has been detected at the Henri Mondor Hospital.

It is not yet known whether it is more contagious or more dangerous.

Another concern, the effectiveness of vaccines on this new variant is not certain.

To talk about it, Sébastien Krebs receives Jean-Michel Pawlotsky, virologist at the Henri Mondor Hospital.

Guest (s): Jean-Michel Pawlotsky, virologist at Henri Mondor Hospital