What risk of re-infection for the same variant?

The South African variant échappe beaucoup plus aisément à notre système immunitaire aussi well post-infection than post-vaccins. Il ya toujours une exception à la règle. The risk of re-infection for the same variant of Covid-19 that days or weeks after a premiere infection remains three minime. Explanations. With the multiplication of the positifs to the … Read more