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The health risks of getting Covid-19 a second (or third) time

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www.livemint.com

New research details risks of reinfection as more-infectious Omicron subvariants of the coronavirus circulate Covid-19 reinfections can bring some new risks of serious medical problems, hospitalization and death, a new study has found.

Protection provided by vaccines and prior infection has greatly improved Covid outcomes since the pandemic’s early days, and reinfections are typically less severe than initial ones.

Yet each new infection carries a risk of medical problems, including hospitalization, death and long Covid, according to preliminary data from a study of patients in the Veterans Affairs health system.

This is a timely finding, doctors say, as more-infectious Omicron subvariants BA.4 and BA.5 proliferate and are expected to make reinfections more common.

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