SARS-CoV-2 B.1.617.2, also called the Delta variant of the coronavirus, now represents more than 44% of cases in Switzerland according to data from the Federal Office of Public Health. It is 60% more contagious than the Alpha variant. Should we be afraid of it? Not if you are doubly vaccinated, responds a group of 29 French researchers in an article just published by the journal Nature with an accelerated procedure, given the importance of its results.
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