COVID-19 vaccine side effects linked to better long-term outcomes: Study

Healthcare workers who had symptoms after receiving a COVID-19 vaccination had longer and stronger immunity than those who did not, researchers at Farmington, Conn.-based UConn Health, found, according to a March 6 news release.

The study, published Feb. 4 in Vaccines, looked at data from 296 UConn Health  workers, including 46 who already had COVID-19. Participants were vaccinated with either the Pfizer or the Moderna mRNA vaccine. Researchers studied their blood for neutralizing antibodies at two months, five months and nine months post-vaccination.

Participants who had symptoms following the vaccination such as fever, aches or a sore arm had a stronger and longer lasting neutralizing antibody response. The response outperformed both those who had COVID-19 before the vaccine and those who had not, according to the study.


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