The report said the results, from the work of Dr. Naabin Shrestha and others, found, "The risk of contracting COVID-19 was 1.5 times higher for those who received two doses, 1.95 times higher for those who received three doses, and 2.5 times higher for those who received three or more doses."
The comparison was against "people who received zero or one dose of a vaccine," the report said, of the results of Cleveland Clinic.
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