US
Most of those infected have been people returning from Iran, where more than 700 people had died in the outbreak
Mortality rates are considerably higher for those over 60 or with pre-existing medical conditions in China
Virus has killed more than 6,000 people worldwide
Alibaba co-founder also said he will donate 500,000 coronavirus testing kits and one million masks to the US
With more than 150,000 people infected and more than 5,000 dead worldwide
With a quarter of the country's intensive care beds taken up by those with the illness
Country has 798 cases of COVID-19 disease linked to the new coronavirus, including 10 deaths
Country has 190 confirmed cases
Schools are closed for a month and mass gatherings banned
Virus has killed more than 5000 people around the world