France is facing a sharp increase in contamination, in particular caused by the active circulation of new sub-variants of Omicron BA4 and BA5, which are particularly contagious. Recommendations to put the mask back on, especially in transport, are increasing on the government side, without certainty that they will be enough, with vaccination, to stop the movement. Interview with Yves Buisson, epidemiologist and president of the Covid-19 unit of the National Academy of Medicine.
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Covid-19: “the BA.5 subvariant has a very wide field of transmission”
