People practice social distancing as they wait to enter a supermarket during the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 29, 2020.

Face protectors are dried in the sun outside a temporary hospital in IFEMA conference centre, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 2, 2020.

An ambulance driver wearing a protective face mask and suit takes a break near the emergency unit at 12 de Octubre hospital during the coronavirus disease (COVID-19) outbreak in Madrid, Spain March 28, 2020.

A woman wearing protective gloves grabs the iron bars of her window, amid the coronavirus disease (COVID-19) outbreak in Ronda, southern Spain, April 2, 2020.

A patient gestures from a window at the Gregorio Maranon hospital, during the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 27, 2020.

Ambulance workers help an elder woman get into the ambulance, amid the coronavirus disease (COVID-19) outbreak, in Leganes, near Madrid, Spain April 1, 2020.

Medical staff work at a temporary hospital inside IFEMA conference centre, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 2, 2020.

Concepcion Espinar, 85, blows a kiss to her daughter Maria Jose Alvarez Espinar, 57, at the Ramon Berenguer nursing home in Santa Coloma de Gramenet, outside Barcelona, Spain April 1, 2020.

A woman walks her dog throught a deserted Paseo de la Castellana avenue during the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 28, 2020.

A worker checks coffins, most of them containing the bodies of COVID-19 victims, in the parking of a funeral parlour, during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain April 2, 2020.

General view of a corridor with patients and medical personnel at an emergency unit of a Spanish hospital, as the spread of the coronavirus disease (COVID-19) continues, in Getafe, outside Madrid, Spain, March 24, 2020 in this picture grab obtained from a social media video. OBTAINED BY REUTERS

Ambulance workers push a wheelchair with a patient at a nursing home during the coronavirus disease (COVID-19) outbreak in Leganes Madrid, near Madrid, Spain, April 2, 2020.

A woman walks inside an almost empty train station, during the coronavirus disease (COVID-19) outbreak, in Madrid, Spain March 31, 2020.

People turn on flashlights from their homes in support for healthcare workers during the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain March 28, 2020.

Mortuary workers push a coffin of a person who died at a nursing home during the coronavirus disease (COVID-19) outbreak in Leganes Madrid, near Madrid, Spain, April 2, 2020.