China News Service, June 9 (Xinhua) According to the Hainan Provincial Health Commission, on June 7, experts from the Medical Security Group of the Liaison Group of the Joint Defense and Joint Control Mechanism of the State Council and relevant experts from Hainan Province reported case No. 172 (female, 37 years old) in Hainan Province , From Tianmen City, Hubei Province). Experts believe that, according to the diagnostic criteria of the New Coronavirus Pneumonia Diagnosis and Treatment Program (Trial Version 7), the case is revised to be asymptomatic.