Dr Ali Nouri, Molecular Biologist and President, Federation of American Scientists, speaks to NDTV about the promising news regarding COVID-19 vaccines and the new technology mRNA being used by Pfizer and Moderna. He says it was made possible in such a short time because of the excellent collaboration between scientists and academia. He also speaks on the "infodemic" or barrage of fake news about COVID-19, saying disinformation has cost lives.