December 2, 2021

Vaccines: the third dose should offer protection against the Omicron variant

DECRYPTION – If confirmed, the decrease in effectiveness of vaccination against Omicron will be only partial, according to scientists. Will the RNA vaccines developed to ...
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Covid-19: should we be worried about the appearance of new variants?

DECRYPTION – Coming from Colombia, the “Mu” variant has just been classified by the WHO as a “variant to watch”. In South Africa and Japan, ...
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Emma Hodcroft: “In the summer, tourists have spread variants”

INTERVIEW – The American-British epidemiologist, researcher at the University of Bern (Switzerland), is the first to sign a study published in “Nature” on June 7 ...
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How the Institut Pasteur improves understanding of the English variant

REPORT – Scientists are trying to better understand the mechanisms of mutation of Sars-CoV-2. At the Institut Pasteur, on the fourth floor of the André-Lwoff ...
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Covid-19: is France still lagging behind in sequencing?

THE CHEKING PROCESS – Determining the complete genomes of the viruses present in the positive samples is the only precise way to monitor the circulation ...
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Viral mutations, tiny mistakes with unforeseeable consequences

BIG DECRYPTION – Like all viruses, Sars-CoV-2 does not stop mutating, and some of these variations give it an advantage by allowing it to spread ...
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Pfizer vaccine appears to be very effective against South African strain

DECRYPTION – The US-German alliance has also reported good results regarding the length of protection of its vaccine. As AstraZeneca’s vaccine bogs down with possible ...
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Covid-19: changes in the French variant surveillance strategy

DECRYPTION – In April, the “flash surveys” will be weekly to better monitor the spread of variants and the appearance of mutations. Not fast enough, ...
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