Samples of 15 who landed in Delhi from UK sent to check for new strain of virus The new strain of the virus was recently detected in UK and its presence has been reported in several countries, including in India. Share Via Email | A+A A- By PTI NEW DELHI: Coronavirus test samples of 15 persons who recently arrived here from the UK and tested positive for COVID-19 have been sent for genome sequencing to check if they have contracted the new variant of the virus, sources said on Tuesday. The results are expected in the next three-four days, they said. The new strain of the virus was recently detected in UK and its presence has been reported in several countries, including in India.