Hong Kong has begun a mandatory two-week quarantine for anyone arriving from mainland China, in a fresh effort to contain the deadly new coronavirus.
Visitors must isolate themselves in hotel rooms or government-run centres and Residents must stay inside their homes.
Anyone caught flouting the new rules faces a fine and a prison sentence.
Meanwhile, 722 deaths were recorded in mainland China, including one American. A Japanese man also died with symptoms consistent with the virus.
The 60-year-old US citizen, the first confirmed non-Chinese victim of the illness, died on Thursday at Jinyintan Hospital in Wuhan, the epicentre of the outbreak, according to a US embassy spokesman in Beijing, who did not give details.
The city is opening its second makeshift hospital since the outbreak began. Leishenshan hospital was built in two weeks and will be able to accommodate 1,500 patients.
The number of confirmed cases in mainland China stands at 34,546. Outside China, 270 cases have been confirmed in 25 countries, according to the World Health Organization (WHO), with two fatalities – one in Hong Kong and another in the Philippines.
