Union Health Minister Mansukh Mandaviya on Wednesday said the Omicron sub-variant, BF.7, has been found in several of the 200 Covid-positive samples of international air passengers that have so far been genome-sequenced.

More than 15 lakh international air passengers have so far been screened and 200 of them have tested positive for Covid-19, Mandaviya said on the sidelines of a book launch.