India's 98% adult population has received at least one Covid-19 vaccine dose while 90% people have been fully vaccinated.
All viruses evolve and acquire mutations, which lead to the formation of its many “variants”. These “variants” further split and branch to form their sub-lineages called “sub-variants”.
Study says that Omicron caused fewer hospitalisations and deaths only because of high vaccination and better treatments by the time it emerged.
INSACOG is a consortium of 38 Indian labs to carry out genome sequencing and monitor genomic variations of coronavirus.