KP's death toll due to coronavirus swelled to 4,362 and cases to 139,463, according to a report of health department. — AP/File PESHAWAR: The health department is scaling up contact tracing of Covid-19 patients after rise in the number of cases in other provinces as three more died of the pandemic and 150 fresh patients were diagnosed with the virus in Khyber Pakhtunkhwa on Sunday. “National Command and Operation Centre has asked the provinces including Khyber Pakhtunkhwa to enhance testing of suspected people, especially the contacts of the confirmed patients in view of the fourth wave of the pandemic,” officials of health department told