Large U.K. study links vaccination after Covid infection to lower odds of long Covid symptoms

A new, large U.K. study adds to the evidence linking vaccination after Covid infection to lower odds of long Covid symptoms.

Ever since Covid-19 vaccines became available, some people with long Covid have said vaccination eases the constellation of symptoms that persist weeks and months after their original infection clears. Research exploring this anecdotal evidence has so far been intriguing but inconclusive, in part because of the small numbers of people studied.

A new study published Wednesday in BMJ solves the size problem, combing through responses from more than 28,000 adults taking part in the U.K.’s nationally representative Covid-19 Infection Survey. Vaccination after infection was associated with a lower likelihood of long Covid, the researchers report, but more data will be needed to clinch any cause-and-effect connection.

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