Scientists Claim Mumbai To Achieve Herd Immunity By January 2021

Scientists at the Tata Institute of Fundamental Research (TIFR) have released a study that states that Mumbai is likely to achieve herd immunity by January 2021, as by then 80% of the slum population would have been exposed to COVID-19. Watch this video to find out what the WHO has said about herd immunity is and what happened when Sweden relied on herd immunity to prevent the spread of COVID-19