The sequencing results confirmed the detection of seven cases of B.1.351 [South African variant] and one case of B.1.617.2 [first identified in India]. This is the first in-country detection of the latter strain, the NIH said in a statement. As per protocols, contact tracing of all the cases is in progress by the Field Epidemiology & Disease Surveillance Division and District Health Office (DHO), Islamabad, the report said.