What if everyone was wrong? What if the Omicron variant was just as virulent than previous versions of SARS-CoV-2, but that the lower risk of a severe form was only linked to the immunity acquired by the population? This is the conclusion suggested by an American study published on May 2, before it is peer-reviewed. This “preprint” has been much commented on, even giving rise to several press articles. “Why is Omicron ultimately as severe as the other variants? », does not hesitate to title the Independent on its website on Thursday.