If I am positive for COVID-19 without knowing it, is it dangerous to be vaccinated?

Hello Françoise,

Rest assured, it is not dangerous but vaccination may be ineffective.

You certainly evoke the fact of being asymptomatic carrying the Sars-Cov-2 virus.What does that mean?For Jacqueline Marvel, immunologist and research director at the CNRS, "the asymptomatic word brings together several types of people: those in incubation that will develop symptoms later and those who really have no symptoms", she explainedto science and future.

"In the first case, these are people with preexisting immunity that allows them to neutralize the virus.If they are immunized with a vaccine, it will strengthen preexisting immunity.In the second case, this will help develop a faster immune response.In any case, there will be no deleterious effect, "added the immunologist.

Asked about this problem by the specialized magazine, Frédéric Altare, director of the Department of Immunology at the Nantes/Angers Immunology Research Center, stressed that being vaccinated when we are positive (without knowing)Covid-19 would be "simply useless".

Si je suis positive à la Covid-19 sans le savoir, est-ce dangereux de me faire vacciner?

Explanation: "As the person is already infected, he has already developed the antibodies that the vaccine has the role of inducing, so it probably does not use it to be vaccinated".

Better to carry out a screening test to find out your situation in relation to a possible contamination to the virus and the postponement of your vaccine deadline.

If, for example, on December 29, 2021 you are tested positive, you will have to make your recall dose on March 31, 2022, as specified in health insurance specifies.To find out the date of this recall, you can use the simulator "my COVIVE vaccine reminder" by clicking here.

Have a good day.

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