What happened: On June 21, health experts warned that despite the fact that the majority of people who are infected with Covid-19, and are experiencing a mild illness and recovering at home, it is urgent that people resume wearing face masks and maintain social distance in public places to stop the rapid spread of the new variants. In the remaining portion of Sindh, 9,892 tests were completed, of which 34 were positive. Details: Officials from the health department claim that Karachi is the region of the province that is most afflicted, with 340 positive cases boosting the positivity rate to 10.69% in just seven days. In Hyderabad, 1,841 tests were performed within the same time period, and two cases tested positive. A doctor’s account: Dawn quoted Dr. Saeed Khan, a professor of molecular pathology and the director of the Sindh Public Health Lab at the Dow University of Health Sciences, that a new variant, BA.5, which is rapidly spreading in other nations, is being reported in Pakistan, including Karachi, and is now being transmitted locally.