Newsclick | 17/08/2020 07:50 PM | Click to read full article
Indian researchers have found 73 new variants of the SARS-CoV-2 circulating in different parts of the country. Two genetic lineages, namely, B.1.112 and B.1.99 have been found in India for the first time. These need further investigation to determine their infectivity and impact on disease severity.
A viral strain is something that undergoes mutations from the original one and evolves with different characteristics. Viral evolution is a common phenomenon.