Two new British studies published late Thursday found that a single dose of the Pfizer-BioNTech coronavirus vaccine may offer significant protection for people who have already been infected with COVID-19. The studies, published in the weekly peer-reviewed medical journal The Lancet, provide further evidence for increased calls among experts to give only one dose to individuals that are already carrying antibodies against the virus. "This could potentially accelerate vaccine rollout," r esearchers at University College London and Public Health England said in one of the studies . "With increasing variants (UK, South Africa, Brazil), wider coverage without compromising vaccine-induced immunity could help reduce variant emergence." ADVERTISEMENT The Pfizer-BioNTech and Moderna vaccines, the two inoculations currently approved for emergency use by the U.S. Food and Drug Administration (FDA), require two doses administered weeks apart. The Johnson & Johnson vaccine, which an FDA panel this week found was safe and effective, only requires one dose. The University College and Public Health England researchers analyzed data among 51 health workers in London who have agreed to routine antibody and infection tests since March. The researchers found that among roughly half of the workers who had been infected, a single dose of the Pfizer-BioNTech… Read full this story
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