Is it possible to get infected again from covid?

Although the best way to know if a person has overcome the coronavirus or not, is the detection of antibodies, today it is known that people who were infected in the past, can lose those same antibodies.

The company seroprevalencia de Sanidad carried out a study in this regard in which it was shown that 14% of the people who had overcome the disease, over time lost their antibodies.

What this entails is that people who have already passed the disease, can be infected again and carry the virus, even if this does not develop the diseasewarn immunologists.

In this study it was shown that in the first round of results, 7,1% of the people who had tested positive for antibodies at the beginning of the study, tested negative, and this number rose to 14% in the third round. These data did nothing more than corroborate the results of other recent studies, such as those carried out in China, which already warned of this significant drop in antibodies.

Is it possible to get infected again from covid?

If I have lost antibodies, can I get infected again?

This is the big question that intrigues us all, if we or one of our close friends have passed the coronavirus, would we have a chance of passing it again? Well, unfortunately, immunologists confirm that it does, as do those who still have antibodies. "They are not necessarily going to be infected more than those who continue to have it" states Marcos López Hoyos, president of the Spanish Society of Immunology.


The antibody that is mainly searched for is IgC, which you can find with our serological antibody test, experts say that these only have a life of 3 weeks, which means that if you test positive in these tests it means that you have the virus or that you have passed it in the last three weeks.

Is it possible to get infected again from covid?

Does having antibodies prevent being contagious?

What we know so far and what the experts have shown is that being a possessor of antibodies only protects its carrier, but does not prevent it from infecting other people. "Anyone can be infected, but with antibodies you will have a more agile and faster response", affirmed the doctor Alfredo Corell.

As a general rule, we believe that those who have antibodies are not infected, but this is not the case. What these immune systems do is act more quickly, which means that the patient does not find out about their disease.

This has generated that people who generated fewer antibodies, do not generate, lose them very quickly or simply had a very weak immunity, have many more ballots to become infected again, although it has been confirmed that this can only occur a few months after the first .

Is it possible to get infected again from covid?

Asymptomatic patients and antibodies

What can be concluded from these studies and tests is that the fewer symptoms you have had when you had the infection, the less antibodies you will have and the more you will lose antibodies more quickly than other people have suffered the disease more seriously.

Logically, this is due to the fact that when your body suffers more from the disease, it has had to develop the necessary means to protect itself and it will be recorded in the cellular memory to prevent this disease from repeating itself, while if your body has had a minor reaction, you don't feel the need to.


That is why it is extremely important to respect all safety measures, do not forget to wash your hands, use approved masks and respect the safety distance. We stop this virus together.

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