Recently, the researchers at various CSIR laboratories have identified a coronavirus type called ‘Clade I or A3i coronavirus’.
About A3i coronavirus:
Where is the A3i found?
It was found in 41 per cent of the genome sequences done on the virus collected from Indian patients.
Globally, only 3.5 per cent of all the genome sequences done on this virus has this particular trait.
What is it?
A ‘clade’ is a taxonomic group of organisms that are classified together on the basis of homologous features that are traced to a common ancestor.
The researchers, who sequenced 64 genomes (the complete set of genetic material) linked the Clade I/A3i cluster to the predominant SARS-CoV-2 strain circulating in Tamil Nadu, Telangana, Maharashtra, and Delhi.
The genomes isolated from India were classified under five clusters are Clades A2a, A3, A3i, B, and B4.
Such classifications are useful in establishing whether certain strains are particularly virulent, spread more easily, how they are likely to evolve over time and whether some could be less vulnerable to certain kinds of vaccines.