A vaccine injected here into a patient in Israel.

(illustration) -

Sebastian Scheiner / AP / SIPA

BioNTech / Pfizer's Covid-19 vaccine appears to be effective against a “key mutation” in the British and South African variants of the coronavirus, according to the result of work released on Friday by the BioNTech laboratory.

"Antibodies from people who received the Pfizer-BioNTech COVID-19 vaccine effectively neutralize SARS-CoV-2 with a key mutation that is also found in two highly transmissible strains" identified in Britain and South Africa, says the laboratory in a press release.

One of the limits of this brief study, emphasized by the authors themselves, is that it does not cover all the mutations present in these variants.

Concern rose a year at the end of the year, as vaccination campaigns were put in place, when the United Kingdom announced that a variant of Covid-19, discovered on its soil, was much more contagious.

Ditto in South Africa.

Thus, the question arose: would the vaccines undergoing approval be as effective as expected against these new variants?

… /… More infirmations to come on

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