COVID-19: Decoding the dwindling efficacy of Pfizer’s vaccine
Israel now plans to conduct a detailed study of vaccinated people in an attempt to assess the vaccine’s efficacy. (Picture courtesy: Indian Express) Data from the Israeli health ministry released recently has showed that the efficacy of the Pfizer-BioNTech vaccine against COVID-19 had shown a significant drop in recent weeks. The efficacy of two shots … Read more