When antibodies are stronger at fighting the virus

Vaccination and then being infected will confer an extraordinary level of immunity, known as “super immunity”. what is it exactly? Does it work the other way around, i.e. getting infected and then vaccinated? Futura takes stock of the subject.

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[EN VID√ČO] Coronavirus: You May Have Antibodies Without Knowing You Already
Without ever becoming infected, some people show antibodies that react to the spike protein of SARS-CoV-2. This particularly pertains to children, who are highly exposed to various seasonal viruses, and suggests the existence of cross-immunity. So can we expect that a good winter will save us from COVID-19 infection?

Immunity is our body’s ability to fight agents pathogens, The body is said to be immune if it is able to fight a virus or disease on its own. bacteria when it is reached. Vaccines allow the body to counteract a noose of pathogen to teach it how to defend itself. Thus, he will be able to react when he is faced with the virus in reality. In the case of COVID-19Of course, the body’s response to the virus appears to increase tenfold when it actually detects it after vaccination. good news in the present contextWHO predicts that half of Europeans will be infected by omicron until mid-March.

Vaccinated then contaminated…

The concept of “super immunity” was first mentioned in a study published in jama network On December 16, 2021, the immunity of people who were vaccinated and then infected with SARS-CoV-2 was compared to those who were vaccinated but never infected with the virus. The rate of the first group of people wasAntibodies Impressive, 1000 and 2000% more than the other group. The more interesting thing is that Antibodies People in the first group (contaminated after vaccination) had a greater ability to neutralize different forms of the virus than those in the second group.

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…but also contaminated and then vaccinated!

A new study recently published in the journal science immunology, This time focused on the immunity of the infected people and then vaccinated. Study shows immunity conferred by an infection coronavirus after that a Vaccination Virus infection after or vaccination provides a similar level of protection against reinfection with the SARS-CoV-2 virus.

In both cases the level of immunity to the virus is very high. In fact, the level of antibodies conferred by one or the other scenarios is at least 10 times higher than in people who have benefited from vaccination but who have never been infected. In both cases, antibodies are not only present in large quantities, but they are much more powerful in fighting the virus. Here too, the authors speak of “super immunity”. This study was conducted beforeEvolution But several elements of the Omicron version lead one to think that these results are also valid for this type of coronavirus,

So should we try to get infected after getting vaccinated to get this super-immunity? off course not , Voluntarily catching COVID-19 means exposing yourself to the risk of developing a severe form or covid-19 long and being unable to function normally for months. Voluntarily catching COVID-19 also means encouraging the circulation of the virus and encouraging its emergence. new typepotentially more dangerous.

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