People wearing face masks are seen inside a Tesla showroom at a shopping mall in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020.

Image used for illustrative purpose. People wearing face masks wait for a subway train on the first day the city's subway services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020. The Chinese characters.

A woman wearing a face mask is seen behind a barrier blocking an entrance to a residential area in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

A man wearing a hazmat suit walks on a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

People wearing face masks line up to enter a shopping mall outside a Gucci store in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020.

Two chairs are pictured at a closed entrance of a residential community is seen in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

A staff member wearing a face mask holds a placard while standing among passengers on a subway train, on the first day the city's subway services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020. The Chinese characters on the placard read: "Always wear face mask, avoid gatherings, scan code when getting off the train."

A delivery worker passes food to a woman over barriers blocking an entrance to a residential area in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

A subway train is seen on the first day the city's subway services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020.

Staff members move barriers in front of a railway station of Wuhan on the first day of inbound train services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020.

A woman wearing a face mask gets out through barriers, which have been built to block buildings from a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 29, 2020.

Barber Xiong Juan, 39, cuts a customer's hair at a residential compound in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020. REUTERS/Aly Song - RC2AUF9ON22Z

Staff members holding disinfectant gel and thermometer stand at an entrance of a shopping mall in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020.

People wearing face masks walk on a bridge in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

A man wearing a face mask skateboards on a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020.

Residents step over collapsed barriers which have been built to block residential buildings from a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 29, 2020.

People wearing face masks hug on the East Lake in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020.

A couple wearing face masks are seen in front of a statue of former Chinese leader Mao Zedong on a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 29, 2020.

People with face masks eat outside a McDonald's restaurant in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020.