One asymptomatic COVID-19 case reported in east China's Hangzhou

One asymptomatic case of COVID-19 was reported in Hangzhou City, capital of east China's Zhejiang Province, according to the city's health authorities. 

The 19-year-old patient arrived in Hangzhou on July 15 after travelling with his mother from Xinjiang Uygur Autonomous Region to Shanghai on July 13. On August 4, the patient went to the ophthalmology department at the Second Affiliated Hospital of Zhejiang University School of Medicine and tested positive for COVID-19 before having ophthalmic surgery. 

Local health authorities said the patient wore a mask while taking public transportation in the city. They are tracing those who have been in close contact with the individual.