Karachi [Pakistan], January 14 (ANI): Three travellers who landed at Jinnah International Airport in Karachi tested positive for JN.1 sub-variant of coronavirus, ARY News reported on Sunday. The antigen tests that were performed at Jinnah International Airport on three individuals yielded positive results, according to the Sindh Health Department. The three passengers who tested positive for the JN.1 variety came from Qamber Shahdadkot, North Waziristan, and Mohmand Agency. This variant is currently causing worry in various countries, reported ARY News. According to the health department, test…