COVID-19 Delhi Sero Survey indicates herd immunity against COVID-19 | 50-60% population developed antibodies January 26, 2021
COVID-19 July 18, 2020 COVID 19; HERD IMMUNITY THRESHOLDHerd Immunity Threshold is not the 80% described by epidemiologists and mathematicians. It is instead more between the range of 10% to 20%. This is the reason that substantial decline in deaths have occurred in locations such as London, New…