January 27, 2023


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"Dawka przypominająca szczepionki jest jak podwyższanie wału przeciwpowodziowego. Podstawowa dawka pozwala uniknąć ciężkiego przebiegu choroby, ale przy dużej ekspozycji na wirusy może nie uchronić przed zakażeniem, dlatego potrzebna jest dawka przypominająca" - tłumaczy prof. Robert Flisiak, prezes Polskiego Towarzystwa Epidemiologów i Lekarzy Chorób Zakaźnych. Jak wyjaśnił, że jest za wcześnie, by przesądzić, czy ta dawka przypominająca będzie ostatnią i czy nie będą potrzebne kolejne.

Will I need a fourth dose of the Covid-19 vaccine?

“A booster dose of a vaccine is like increasing a flood bank. The base dose avoids severe disease, but with high exposure to viruses it may not prevent infection, so a booster dose is needed” – explains the professor. Robert Fliciak, president of the Polish Association of Epidemiologists and Infectious Diseases Physicians. As he explained, it is too early to say whether this booster will be the last and whether more is needed.

The booster dose of the vaccine is like repairing and raising the barrier against flooding. However, it wears down over time, reduces and, as a primary protection, weakens over time. Although it may protect us from flooding for a while, it does not protect us from rising waters. But until then, it would be a better guarantee than not having it – He admitted in an interview with PAP the president of the Polish Association of Epidemiologists and Infectious Diseases Doctors, and is also a member of the Prime Minister’s Medical Council.

similarly Basic vaccination allows you to avoid the dangerous course of the disease, but with intense exposure to viruses, it may not protect us from infection, So a booster dose is needed – added.

The expert noted that it is not unusual to use more doses of the vaccine.

The standard measure of hepatitis B virus immunization is three doses given in the zero, month, and six month schedule. There are many indications that vaccination against Covid-19 requires a similar schedule – He said.

At the same time, the expert noted that studies and clinical observations prove it By the sixth month after taking the base dose, the level of the antibody is sufficient, but it shows a clear tendency to decrease. However, he admitted it For some people it may not be enough. Therefore, it is necessary to stimulate the immune system with a booster dose of the vaccine.

a. Flisiak also noted that patients who received the primary vaccination started showing up at the beginning of this year.

However, this is usually an infection with mild symptoms. You can see the effect of the “flood dam”. Basic vaccination protects against massive floods, but not from minor floods – confirmed.

According to the expert, it appears that in the case of SARS-CoV-2, it is too late to give a booster dose after 9-12 months in the elderly and with diseases that increase the risk of a severe course of Covid-19. Therefore, the Medical Council at the first presentation earlier this week recommended the use of a booster dose in adults after 6 months.

If we forgo the booster potion, our level of protection will protect us with average exposure, but if we encounter someone exhaling a large amount of viruses our way, that immunity may not be enough to caution.

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Moreover, the expert explained it It’s too early to say if this booster will be the last and whether more is needed. He also noted that the increase in the concentration of the antibody after the booster dose is several times higher than after the initial vaccination, which means an opportunity to maintain the protective level of antibodies for a longer period. However, this requires more monitoring.

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a. Feliciak also emphasized that vaccination is sure of the dangerous and deadly course of the disease, but it does not protect us from infection.

It definitely protects us from a higher viral load, but It cannot be said that it is 100% protection. Protects from death and the need for recovery. It certainly causes the virus to not have good living conditions in the body of the vaccinated person. In such a case if it becomes infected, the virus is much less in the respiratory tract of the patient and it is a weaker source for the spread of the disease which limits the spread of the epidemic. – confirmed.

In addition, the expert emphasized that according to current recommendations, the Covid-19 vaccine, and thus a booster dose, can be taken together with the influenza vaccine.

There are no contraindications to simultaneous vaccination, as they are not live vaccines. Therefore, if there are circumstances that permit or require it, there is nothing to prevent you from doing so. There is no reason to believe that one vaccine will reduce the effect of the other It is to explain.

After all, we are exposed to many pathogens that circulate around us throughout our lives and do not get sick because we are immune to them. It also stimulates our immune system at the same time – added.