Last month, researchers in one of India's largest cities made a surprising discovery. Of the nearly 7,000 blood samples taken from people in Mumbai's slums, 57% tested positive for coronavirus antibodies.
원문출처 : https://www.cnn.com/2020/08/12/asia/herd-immunity-coronavirus-india-intl-hnk-dst/index.html
원문출처 : https://www.cnn.com/2020/08/12/asia/herd-immunity-coronavirus-india-intl-hnk-dst/index.html