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Covid-19: is it dangerous to be vaccinated while being asymptomatic?


FOCUS - The high contamination rate linked to the Omicron variant worries some people: does an infected person run a risk by being vaccinated?

On Thursday alone, 305,322 new cases of Covid-19 were detected, reports Public Health France.

Since its appearance, the Omicron variant has had an extremely high rate of contamination, which, in the context of vaccination, worries some people: in the event of asymptomatic positivity, is there a risk of being vaccinated?

In other words, is it dangerous to receive an injection if, without knowing it, one is contaminated?

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Several scenarios emerge.

First of all, when there is a contact case at the time of the vaccination appointment.

If a person is a contact case, vaccination must be postponed and a test carried out to confirm or not an infection.

If the test is negative, vaccination can then take place.

If the test is positive, it is advisable to wait at least two months after the end of the symptoms to be vaccinated

”, answers the Ministry of Health.

If you have symptoms, get tested.

“If the test is positive, it is advisable to wait at least two months after the end of the symptoms to be vaccinated”,

we continue at the ministry.

Is it risky when you are asymptomatic?

It is also possible to be contaminated without realizing it, that is to say to be asymptomatic.

Covid infects cells and multiplies without the person feeling symptoms like fever.

You can contaminate and carry the virus without feeling the slightest symptom

, ”recalls Mathieu Molimard, head of the medical pharmacology department at the Bordeaux University Hospital.

In addition, the ministry does not consider it “

useful to be tested automatically before being vaccinated


This can increase the possibility of being contaminated without knowing it at the time of vaccination.

Read alsoOmicron: the hope of finally emerging from the pandemic


As the person is already infected, he has already developed the antibodies that the vaccine has the role of inducing, so it is probably useless for him to be vaccinated



analyzes Frédéric Altare, director of the immunology department at the Center research in oncology and immunology Nantes-Angers, with our colleagues from Sciences et Avenir.


There will be no health consequences, it will not be dangerous

," reassures Mathieu Molimard.

Getting vaccinated and being positive for Covid-19 therefore does not lead to any health complications.

The only real risk is the uselessness of the injection, since antibodies are already present in the body.

Source: lefigaro

All tech articles on 2022-01-14

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