Experts Explain: Viruses, their variants, and vaccines
Over the past week, significant new research has been published on the variants of the novel coronavirus that have emerged in several countries. Two of India's most eminent virologists, who have been explaining a range of issues around the virus and vaccine in The Indian Express, summarise the new findings and evaluate the concerns they raise.
SARS-CoV-2 variants have emerged independently in several countries, and research published over the past week indicates that the virus is changing more quickly than was once believed — and that it may continue to develop towards evading currently available vaccines. We deconstruct the science, summarise the breaking research, evaluate the concerns, and suggest a prescription for India.