Beijing
The prominent democracy activist is the highest profile figure to be arrested so far under China's new security law.
China, where the virus first appeared late last year, reported 49 new coronavirus cases on Monday, 36 of them in Beijing.
Construction crews worked around the clock to build the 1,000-bed hospital in Wuhan, the central city where the outbreak was first detected in December.
The number of deaths from the virus has risen to 25 and at least one man from a province bordering Beijing has died after visiting Wuhan.
The number of cases of deadly outbreak is on the increase.
Street protests calling for democratic reforms and an inquiry into police conduct stretched into their 10th week with no sign of either side backing down.
Trump hasn't used new powers on human rights sanctions granted by US Congress or mentioned a crisis that experts describe as akin to ethnic cleansing.
