Pakistani doctor introduces instant coronavirus diagnostic test via smartphone 16 Dec 2020 Tariq Butt, A Toronto-based Pakistani doctor has introduced an instant COVID-19 diagnostic test using a smartphone. Dr Naqeeb Khalid, who graduated from King Edward Medical University in 1983 before acquiring experience in the invention of medical devices and systems, told High Commissioner for Pakistan to Canada Raza Bashir Tarar that his innovation is based on a digital platform that displays the result instantly on any smartphone and can also communicate or store the results along with time and GPS information. He said that instant, accurate and low-cost testing that does not rely on laboratories is essential in containing the pandemic.