Influenza vaccination protects against a severe Covid course


A flu vaccination can protect against a severe Covid course – this is the verdict of scientists from the University of Michigan. Marion Hofmann Bowman, lead study author, concludes from the findings that a vaccination makes sense now at the end of the flu season. She would recommend immunization to patients at the end of March.

The researchers reviewed the medical records of more than 27,000 patients who were tested for corona infection between March and mid-July 2020. Of the almost 13,000 patients who had received a flu shot the previous year, 4 percent had tested positive for Covid-19. Of the 14,000 who didn’t get a flu shot, nearly 5 percent tested positive. Even taking numerous influencing factors into account, such as gender, age and BMI, the probability of contracting corona remained significantly lower among those vaccinated against the flu.

The scientists were also able to gain knowledge about the course of the disease. It can be said that people who received a flu vaccination had to be hospitalized less often and were more likely to have mild courses. Scientists cannot yet answer why the body of people vaccinated against the flu can better deal with a corona infection. “It is possible that patients who receive their flu vaccine will also be people who practice more social distancing and are more likely to follow AHA rules. However, it is also conceivable that there could be a direct biological effect of the flu vaccine on parts of the immune system that are crucial in the fight against the Sars-CoV-2 virus, said Hofmann Bowman.

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Influenza vaccination protects severe Covid


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