Three cases each emerged at the Islamabad College for Girls F-6/2 and a private school in I-8/4 sector, according to District Health Officer Zaeem Zia.
Four coronavirus cases were confirmed during random testing at a NUML department.
The health official has written to the Islamabad deputy commissioner, recommending him to seal the F-6/2 college and I-8/4 school.
He recommended putting the NUML department and hostel lobby under lockdown.
Islamabad reported a total of 91 coronavirus cases on Wednesday.
