Three doses of Pfizer’s Covid vaccine better than two: Study
During the study period, 197,535 patients were infected with SARS-CoV-2, and of those 15,786 were admitted to the hospital. A third dose of the Pfizer COVID-19 vaccine conferred higher effectiveness against infection and hospitalisation than two doses of the preventive after one month, a study has found. The study, published in The Lancet Regional Health-Americas, … Read more