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Reinfection with COVID-19 increases risk of acute outcomes - study

"Reinfection with COVID-19 increases the risk of both acute outcomes and long COVID," said Dr. Ziyad Al-Aly of Washington University School of Medicine in St. Louis. "This was evident in unvaccinated, vaccinated and boosted people."

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People in the study with repeat infections were more than three times more likely to develop lung problems, three times more likely to suffer heart conditions and 60% more likely to experience neurological disorders than patients who had been infected only once. The higher risks were most pronounced in the first month after reinfection but were still evident six months later, researchers found.