Shandong Provincial Center for Disease Control and Prevention

Coronavirus was detected on several surfaces in hotel rooms where two presymptomatic Chinese students were quarantined before being diagnosed with the disease, according to a study released on Monday. For the study, published in the Emerging Infectious Diseases journal of the US Centers for Disease Control and Prevention (CDC), researchers in China examined the hotel rooms of the two students, who returned to China from studying abroad on March 19 and March 20. They did not display any virus symptoms at the time and were transferred to a hotel for 14 days of quarantine. On the morning of the second day in quarantine, they remained presymptomatic but both tested positive for COVID-19 and were hospitalized. About three hours after they tested positive, the researchers sampled various surface...