As the number of confirmed COVID-19 cases 1.76 million globally, medical workers around the world are facing great challenges. 

Samia Abdou Girgis, Head of Infection Control Unit in Ain Shams University Hospital in Egypt posed a question about dealing with false-negative cases. Dr. Fan Junping, a pulmonologist from Peking Union Medical College Hospital, recommended that frontline medics deploy multiple measures to identify infections and take strict quarantine measures.