Assistant director at the lab, professor Iqbal Kabir Jahid, said genome sequencing has been done on the samples of every coronavirus patients who travelled from India. Besides, three new cases, two others were diagnosed with the India variant of Covid-19.

According to WHO, the Indian one is a ‘variant of global concern’. Indian variant has been detected in 60 countries.

Professor Iqbal said, “Still the variant, whether it is ‘double mutant’ or not, is a matter of concern. Infection risk of the variant is more than 20 per cent.”