India on alert after new Covid variant detected in Africa, govt calls for strict screening of travellers

The Centre has asked states to conduct rigorous screening and testing of all international travellers coming from and transiting through Botswana, South Africa and Hong Kong. This comes after a new coronavirus variant was detected in South Africa that scientists say is a concern because of its high number of mutations and rapid spread among young people in Gauteng, the country's most populous province.

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