The vaccine schedule against the coronavirus gained reinforcement with the arrival of the bivalent vaccine against COVID-19. However, the immunizer produced by Pfizer/BioNTech has been the subject of doubts by the population regarding the side effects after applying the dose, including the possibility of causing a stroke (stroke).
Does bivalent vaccine against COVID-19 cause stroke?
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Pfizer's bivalent vaccine is a protection scheme against the two strains of the Sars-CoV-2 virus, responsible for causing the disease of COVID-19. Unlike other immunizers, the bivalent vaccine is applied in a single dose.
In Brazil, the application of immunization is intended for priority groups, such as the elderly and immunosuppressed, with a forecast to reach pregnant women and health professionals.
However, news is circulating on social networks about a possible relationship between the bivalent vaccine against COVID-19 and the occurrence of strokes as a side effect of the vaccination schedule.
The rumor about the stroke happened after the US Centers for Disease Control and Prevention United States to determine an investigation to investigate whether there is a link between the vaccine and stroke in elderly people over 65 years.
In Brazil, recent news circulated that related the occurrence of stroke in a health worker to the application of the bivalent vaccine against COVID-19. The alleged accident would have happened in the interior of São Paulo.
However, according to the Municipal Department of Health of São José do Rio Preto, it states in a note that the heart attack suffered by the server has nothing to do with vaccination. It even clarifies that the public official has not recently been vaccinated against COVID-19 with the bivalent scheme.
Today, there is no data confirming the relationship between the risk of stroke and Pfizer's bivalent vaccine, whose main reactions are headaches and at the site of application, fever, chills and fatigue.
In the European Union there is no identification of the occurrence of strokes and the bivalent vaccine, which reinforces the position of the US Center for Disease Control and Prevention in recommending immunization against virus.
In this way, each case is investigated individually to identify whether there were risk factors prior to the administration of the vaccine and that they may influence the occurrence of stroke. But, so far, it is not possible to state that there is any relationship between the immunizer and the stroke.