COVID-19 Reinfections May Be Common—But They&039;re Not Harmless
in May, found that unvaccinated people gained little lasting protection after being infected by Omicron.
“Getting an Omicron infection is not a good way of boosting your immune response,” says Rosemary Boyton, co-author of thestudy and a professor of immunology and respiratory medicine at Imperial College London. Her study showed that infections during the first Omicron wave are “not necessarily protecting you against BA.4 and BA.5 and the subsequent strains. That may be why we’re seeing people getting frequent breakthrough infections and reinfections.
Even if a reinfection doesn’t make you very sick right away, it could increase your chances of developing chronic post-COVID health issues, the paper suggests. “Second infections are less likely [than first infections] to be severe,” Cohen says. “But there can be damage even from that second infection.”Long COVID is one of the most feared risks of infection, and it can happen
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