COVID vaccine: Coronavirus may become deadlier: Speedy vaccination is our best chance against mutant strains
Updated Jan 28, 2021 | 18:17 IST Even marginal changes in the rate of transmissibility can have outsize impacts concerning the total number of cases and casualties. A pharmacist administers a dose of the Oxford/AstraZeneca vaccine to an individual at a coronavirus vaccination clinic held at Junction Pharmacy in Brixton, London, Thursday, Jan. 28, 2021.   |  Photo Credit: AP Key Highlights For the most part, subtle changes in a virus' genetic code are unimportant and harmless but as these mutations accumulate, the probability of a virus becoming more transmis...