This photo taken on February 16, 2020 shows medical staff members treating a patient infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members talking at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members (L and R) chatting with a patient infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows a doctor looking at an image as he checks a patient who is infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows a doctor looking at an image as he checks a patient who is infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows a medical staff member resting at the isolation ward of the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows a doctor looking at a CT image at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members talking at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members working at the isolation ward of the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows a medical staff member (R) distributing fruits to patients infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members working at the isolation ward of the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members working at the isolation ward of the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT

This photo taken on February 16, 2020 shows medical staff members treating a patient infected by the COVID-19 coronavirus at the Wuhan Red Cross Hospital in Wuhan in China's central Hubei province. - The death toll from the COVID-19 coronavirus epidemic jumped to 1,770 in China after 105 more people died, the National Health Commission said February 17. (Photo by STR / AFP) / China OUT