People wear masks to prevent the spread of the new coronavirus at Bangkok, Thailand January 28, 2020. Image for illustrative purposes

Nurses in protective gear talk to people in the reception area of the First People's Hospital in Yueyang, Hunan Province, near the border with Hubei Province, which is under partial lockdown after an outbreak of a new coronavirus, in China January 28, 2020.

A medical worker in protective suit checks the body temperature of a driver at a checkpoint outside the city of Yueyang, Hunan Province, near the border to Hubei Province that is on lockdown after an outbreak of a new coronavirus, China, January 28, 2020.

Passengers wearing masks arrive at the Tribhuvan International Airport after Nepal confirmed the first case of coronavirus in the country, in Kathmandu, Nepal January 28, 2020.

Travellers wear masks as they arrive at the Dubai International Airport, after the UAE's Ministry of Health and Community Prevention confirmed the country's first case of coronavirus, in Dubai, United Arab Emirates January 29, 2020.

People wearing masks walk across a street as the country is hit by an outbreak of the new coronavirus, in Beijing, China January 28, 2020.

A Boeing 767-300ER plane chartered by the Japanese government, carrying evacuated Japanese nationals living in Wuhan arrives at Haneda airport amid an outbreak of coronavirus in China, in Tokyo, Japan January 29, 2020.

A worker sprays the pavement around an office building with disinfectant in Changsha, Hunan province, China, as the country is hit by an outbreak of a new coronavirus, January 29, 2020.

A village committee member wearing face mask and vest, stops a car for checking as he guards at the entrance of a community to prevent outsiders from entering, as the country is hit by an outbreak of the new coronavirus, in Tianjiaying village, outskirts of Beijing, China January 29, 2020.

Community members guard at the entrance of a community to prevent outsiders from entering, as the country is hit by an outbreak of the new coronavirus, on outskirts of Beijing, China January 29, 2020.

A Chinese man wearing goggles and a mask to prevent a new coronavirus gets fever check upon his arrival at Incheon International Airport in Incheon, South Korea, January 29, 2020 Yonhap via REUTERS

A woman wearing a hair cap and a mask to prevent a new coronavirus arrives at Incheon International Airport in Incheon, South Korea, January 29, 2020 Yonhap via REUTERS

Tourists wear masks to prevent contracting coronavirus in Seoul, South Korea January 29, 2020.

Workers in protective suits work at the production line manufacturing detection kits for the new coronavirus at a company, as the country is hit by an outbreak of the new coronavirus, in Taizhou, Jiangsu province, China January 29, 2020. cnsphoto via REUTERS.

A staff member checks the temperature of a passenger entering a subway station, as the country is hit by an outbreak of the new coronavirus, in Beijing, China January 28, 2020.

Members of the Thai Airways crew prepare themselves before disinfecting the cabin of an aircraft of the national carrier during a procedure to prevent the spread of the coronavirus at Bangkok's Suvarnabhumi International Airport, Thailand, January 28, 2020.

People wearing masks walk across a street as the country is hit by an outbreak of the new coronavirus, in Beijing, China January 28, 2020. REUTERS/Carlos Garcia Rawlins - RC2ZOE9MP0OX

A customer walks past empty shelves at a supermarket following the outbreak of a new coronavirus, in Hong Kong, China, January 28, 2020. REUTERS/Tyrone Siu - RC23PE9SNJE5

Medical workers check a makeshift examining room for possible patients infected by a new coronavirus at a hospital in Suwon, South Korea, January 29, 2020 Yonhap via REUTERS

Customers queue to buy facial masks to prevent an outbreak of a new coronavirus, in Hong Kong, China January 28, 2020.

A man walks on a street towards piles of soil blocking the road to prevent outsiders from entering the community, as the country is hit by an outbreak of the new coronavirus, on the outskirts of Beijing, China January 29, 2020.

People wear face masks as they cycle in an empty street in the Yunxi county, Hunan province, near the border to Hubei province, on virtual lockdown after an outbreak of a new coronavirus, in China, January 28, 2020.

Members of the Thai Airways crew disinfect the cabin of an aircraft of the national carrier during a procedure to prevent the spread of the coronavirus at Bangkok's Suvarnabhumi International Airport, Thailand, January 28, 2020.

Members of the medical staff work at a new section specialised in receiving any person who may have been infected with coronavirus, at the Al-Bashir Governmental Hospital in Amman, Jordan January 28, 2020.

A child wears mask to prevent an outbreak of a coronavirus as she rides on a swing at a carnival in Hong Kong, China January 28, 2020.

Employees of China Southern Airlines wear surgical mask as a preventive measure in light of the coronavirus outbreak in China, as they wait for customers behind the counter at Benito Juarez international airport in Mexico City, Mexico January 28, 2020.

A store is sold out of face masks in the Chinatown district of downtown Toronto, Ontario, after 3 patients with novel coronavirus were reported in Canada January 28, 2020.

Workers spray the underground parking of an office building with disinfectant in Changsha, Hunan province, China, as the country is hit by an outbreak of a new coronavirus, January 29, 2020.

Children wearing facial masks, as a precaution after Nepal confirmed the first case of coronavirus in the country, attend a lecture at Matribhumi School in Thimi, Bhaktapur, Nepal January 29, 2020.

A medical worker in protective suit checks the body temperature of car passenger at a checkpoint outside the city of Yueyang, Hunan Province, near the border to Hubei Province that is on lockdown after an outbreak of a new coronavirus, China, January 28, 2020.

Security officials wear facial masks as they guard the main gate of the Infectious Diseases Hospital, after Sri Lanka confirmed the first case of coronavirus in the country, in Colombo, Sri Lanka January 28, 2020.

A nurse takes the temperature of a woman in the reception area of the First People's Hospital in Yueyang, Hunan Province, near the border to Hubei Province, which is under partial lockdown after an outbreak of a new coronavirus, in China January 28, 2020.

A server attends to customers at a restaurant in the Chinatown district of downtown Toronto, Ontario, after so far, three patients with novel coronavirus were reported in Canada January 28, 2020. REUTERS/Carlos Osorio

(L-R) The Royal Melbourne Hospital's Dr Julian Druce, Virus Identification Laboratory Head at the Doherty Institute and Dr Mike Catton, Deputy Director of the Doherty Institute address media to announce having successfully grown the Wuhan coronavirus from a patient sample in Melbourne, Victoria, Australia, January 28, 2020.

A woman wearing a face mask leaves a supermarket with a loaded shopping trolley in Changsha, Hunan province, China, as the country is hit by an outbreak of a new coronavirus, January 29, 2020.

Image used for illustrative purpose. A traveller wears a mask as she arrives at the Dubai International Airport, after the UAE's Ministry of Health and Community Prevention confirmed the country's first case of coronavirus, in Dubai, United Arab Emirates January 29, 2020.

An aircraft chartered by the U.S. State Department to evacuate government employees and other Americans from the novel coronavirus threat in the Chinese city of Wuhan, is seen on the tarmac after arriving at a closed terminal at Ted Stevens Anchorage International Airport in Anchorage, Alaska, U.S. January 28, 2020.

A taxi driver wears a face mask in Changsha, Hunan province, China, as the country is hit by an outbreak of a new coronavirus, January 29, 2020.

A staff sits behind the counter with a notice reading "face masks sold out for today, up to 10 masks limit per purchase from tomorrow 8.30 a.m.", at a pharmacy store, as the country is hit by an outbreak of the new coronavirus, in Shanghai, China January 29, 2020.

Poeple wear masks to prevent the spread of the new coronavirus at Bangkok, Thailand January 28, 2020. REUTERS/Soe Zeya Tun - RC2ZOE9G7NRE

A customer walks past empty shelves at a supermarket following the outbreak of a new coronavirus, in Hong Kong, China, January 28, 2020.

Members of the Thai Airways crew disinfect the cabin of an aircraft of the national carrier during a procedure to prevent the spread of the coronavirus at Bangkok's Suvarnabhumi International Airport, Thailand, January 28, 2020.

Poeple ware masks to prevent the spread of the new coronavirus in Bangkok, Thailand January 28, 2020.

People wear face masks as they listen to a presentation in an Apple Store in the Sanlitun shopping district in Beijing as China is hit by an outbreak of the new coronavirus, January 25, 2020.

A village committee member wearing face mask and vest, stops a car for checking as he guards at the entrance of a community to prevent outsiders from entering, as the country is hit by an outbreak of the new coronavirus, in Tianjiaying village, outskirts of Beijing, China January 29, 2020.

Medical staff in protective suits treat a patient with pneumonia caused by the new coronavirus at the Zhongnan Hospital of Wuhan University, in Wuhan, Hubei province, China January 28, 2020. Picture taken January 28, 2020. China Daily via REUTERS.

A passenger from China, wearing a mask to prevent a new coronavirus, gets fever check upon his arrival at Incheon International Airport in Incheon, South Korea, January 29, 2020 Yonhap via REUTERS.

A traveller wears a mask as he pushes a cart with luggage at the Dubai International Airport, after the UAE's Ministry of Health and Community Prevention confirmed the country's first case of coronavirus, in Dubai, United Arab Emirates January 29, 2020.

Men wear masks to prevent contracting coronavirus in Seoul, South Korea January 29, 2020.

The last remaining box of medical face masks is pictured at a pharmacy, after Germany confirmed the first cases of the coronavirus that broke out in China, in Bad Honnef, near Bonn, Germany, January 29, 2020.

Visitors wear masks to prevent an outbreak of a coronavirus as they ride on a swing at a carnival in Hong Kong, China January 28, 2020.