Monday, November 1, 2021 By zenger.news | on November 01, 2021 By Abigail Klein Leichman A third (booster) dose of the Pfizer-BioNTech vaccine against COVID-19 is 93 percent effective in protecting individuals against severe COVID-19-related outcomes, compared with two doses received at least five months earlier. This conclusion is based on data from Clalit Health Services, the largest of Israel’s four nationalized healthcare maintenance organizations. The study was published in The […] Please login below or Subscribe today! Enter your e-mail below to join our mailing list and receive weekly updates & breaking news! The Florida Star Newspaper Our Hometown...