Scientists say it would take years for virus to evolve enough to render Covid vaccines as impotent

As the new variant has been surfaced that causes COVID 19 experts urged action saying it would take years ,not months for the virus to evolve enough to render the current vaccines impotent.They added that no one should worry that there is going to be a single catastrophic mutation that suddenly renders all immunity useless.Researchers have recorded thousands of modifications in the genetic material of the coronavirus as it has hopscotched across the world.