Side Effects Appear After Covid-19 Vaccination, Is It Really a Sign of Immunity Being Built?

Suara.com – After getting vaccinated against Covid-19, a number of individuals reported side effects. There is an assumption that side effects mean that the body is building immunity.

But is it true? Reporting from the Medical Daily, Robert Finberg, a specialist in infectious diseases and immunology at the Medical School at the University of Massachusetts, provides an explanation.

As a foundation of knowledge, the immune system responds to the foreign molecules that make up any vaccine through two different systems.

The initial response is due to the so-called innate immune response. This system is activated as soon as the cell realizes that a person has been exposed to a foreign object, ranging from debris to viruses.

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Illustration of the Covid-19 vaccine. (Doc: Special)

The goal is to eliminate the ‘newcomers’. White blood cells called neutrophils and macrophages travel to the intruder and work to destroy it.

This first line of defense is relatively short-lived, lasting hours or days.

The second line of defense takes days to weeks to get up and running. This is a long-lasting adaptive immune response.

It depends on the T and B cells of your immune system learning to recognize certain invaders, such as proteins from the corona virus.

If the invader is found again, months or even years in the future, it is these immune cells that will recognize the old enemy and begin producing antibodies that will take him down.

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In the case of the SARS-CoV-2 vaccine, it takes about two weeks to develop an adaptive response that provides long-term protection against the virus.


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