Still effective six months after the second injection
For Professor Jean-Daniel Lelièvre, head of the immunology department at Henri-Mondor hospital in Créteil, this study is very encouraging. “The immunological data available show that even if there was a drop in neutralizing activity, this drop would be much less significant than with other vaccines and gives hope for an efficacy of this vaccine against the variants”, confides it at Europe 1.
Other good news: the Rolls of anti-Covid vaccines would also remain 91% effective six months after the second injection.
100% effective in teens according to a study
And in a latest study of 2,000 adolescents aged 12 to 15, Pfizer serum packs a punch with 100% effectiveness. These data are particularly interesting because, for the moment, the vaccination of the youngest is not yet envisaged, but it could become it in the coming months to obtain a more important collective immunity.
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