"Unless something drastic happens, this will become increasingly uncontrollable"
Probability of unique mutation rises when virus spreads more, says infectious disease expert
South African strain, which like the UK one is believed to be more infectious, has now been reported in 23 countries
With the country further restricting international arrivals over fears of new virus strains
Many countries double down on virus restrictions, with vaccination drives still in their infancy
The South Asian nation reports 20 cases of a new infectious strain of Covid first detected in the UK
In stepped-up efforts to prevent a new variant of the novel coronavirus from spreading
Tracing efforts come in light of Centre's directives to keep in check the new coronavirus strain identified in Britain
Plans to ease curbs over Christmas across the nation either dramatically scaled back or scrapped altogether
The govt will ask people to self-quarantine for 14 days upon return from Britain