Russian Scientist Claims Herd Immunity for COVID-19 Almost Impossible

Russian Scientist Alexander Chepurnov, who voluntarily contracted with COVID-19 for the sake of research claims COVID antibodies disappeared during his second infection. Chepurnov, who was re-infected after six months from the first infection, said, "My conclusion is that mankind will most likely be unable to obtain a herd immunity to the coronavirus." He further added that periodic vaccination is must to control the disease.