C’est un peu n’importe quoi t’as raison j’ai mal interprété un statement du Cdc mais il y a clairement un déclin marqué.
Data released by the Health Ministry on Thursday suggested that people vaccinated in January were said to have just 16% protection against infection now, while in those vaccinated in April the effectiveness was at 75%
https://www.google.ca/amp/s/www.b...navirus-vaccine-effectiveness/?outputType=amp
"While protection against severe disease remained high across the full 6 months, the observed decline in efficacy against symptomatic disease over time and the continued emergence of variants are key factors driving our belief that a booster dose will likely be necessary to maintain highest levels of protection," Pfizer said in a statement.
From the nih
The immune systems of more than 95% of people who recovered from COVID-19 had durable memories of the virus up to eight months after infection.
The results provide hope that people receiving SARS-CoV-2 vaccines will develop similar lasting immune memories after vaccination.
Selon plusieurs spécialistes il serait presqu’impossible que la protection des vaccins dure plus longtemps que l’immunité de quelqu’un qui a rencontré le virus dans son entièreté, comparativement a quelqu’un qui a été exposé seulement a une partie de la maladie(proteine spike)
Mais bon pfizer claims 84% apres 6 mois, peu être bien, peu être pas time will tell
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