The BNT162b2 vaccine (Pfizer/BioNTech) has previously shown a 95% efficacy against COVID-19. This efficacy has been changing with the surge of new variants and, at present, its effectiveness against the Omicron variant ─ currently the most prevalent ─ remains unknown. To carry out this study, researchers compared serum samples obtained from participants who had received…
New Evidence in Israel in Favor of Applying a Third Dose against COVID-19
According to this study carried out in Israel, patients over 60 who had received two doses against COVID-19 at least 5 months ago will benefit from an additional dose in terms of a significant reduction of severe disease. In addition, patients who unfortunately got severely ill despite receiving a third shot, were more easily managed. …