Posted
Video length: 2 min.
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France 2
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France Televisions
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Vaccines prevent Covid-19 from reaching the lungs, but do not prevent it from entering the body. France 2 is looking at how the virus works when it comes into contact with a vaccinated person.
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Can Covid-19 infect people who have been vaccinated? A study was conducted in California (United States), from December to February, on more than 36,000 people. Scientists found that 22 people were infected between one and fifteen days after receiving the second dose of RNA vaccine, or 0.6%. These are rare cases because the vaccine is very effective.
What happens when a vaccinated person comes into contact with the virus? When the virus enters the body, cells recognize it from the vaccine and start making antibodies that form a barrier. In the vast majority of cases, this barrier prevents the virus from accessing the lungs and the disease does not worsen. We are therefore infected, but not contaminating, according to immunologist Stéphane Paul, member of the vaccine committee Covid-19.
Our Sources:
Professor Stéphane PAUL
Head of the immunology department at CHU Saint-Etienne, Teacher in immunology and vaccinology www.chu-st-etienne.fr/Offre_De_Soins/Immunologie_Suivi_des_biotherapies/Presentation
Member of the Covid 19 Vaccine Committee https://www.covireivac.fr/vos-contacts/le-comite-scientifique-sur-les-vaccins-covid-19/
INSERM : https://www.inserm.fr/connaitre-inserm/missions
Summary of how vaccines work:
https://recherchecovid.enseignementsup-recherche.gouv.fr/faq-vaccins-48763
Non-exhaustive list
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