A medical worker, wearing protective suit and face mask, takes a break at a drive-through testing site for coronavirus disease (COVID-19) near the hospital in Laval, in Mayenne department, France, July 15, 2020.

A health worker takes a break from her work at a temporary field hospital set up by Medecins Sans Frontieres (MSF) during the coronavirus disease (COVID-19) outbreak in Khayelitsha township near Cape Town, South Africa, July 21, 2020.

A health worker applauds outside St Thomas' Hospital on the occasion of the 72nd anniversary of the NHS, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, July 5, 2020.

A medical worker, wearing protective suit and face mask, administers a nasal swab to a patient at a drive-through testing site for coronavirus disease (COVID-19) near the hospital in Laval, in Mayenne department, France, July 15, 2020.

French health workers attend a protest in Nice as part of a nationwide day of actions to urge the French government to improve wages and invest in public hospitals, in the wake of the coronavirus disease (COVID-19) crisis in France, June 30, 2020.

A French doctor, wearing a protective suit and a face mask, administers a nasal swab to a patient at a testing site for coronavirus disease (COVID-19) in Cambrai, following the outbreak of the coronavirus disease (COVID-19) in France, July 9, 2020.

Registered Nurse Maggie Anderson (R) joins other nurses from three HCA Healthcare facilities to hold a protest to highlight practices during the coronavirus disease (COVID-19) pandemic at St. Petersburg General Hospital, where the coronavirus disease (COVID-19) is being treated, in St. Petersburg, Florida, U.S. July 15, 2020.

Beads of sweat run down the forehead of a healthcare worker wearing protective gear after she took swabs from the residents for rapid antigen test, amidst the coronavirus disease (COVID-19) outbreak, at a residential apartment in Ahmedabad, India, July 23, 2020.

Healthcare workers walk through the Texas Medical Center during a shift change as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

The employee of a funeral parlor uses her phone while waiting to pick up the body of a person who died from the coronavirus disease (COVID-19), outside the San Juan de Dios hospital, in Guatemala City, Guatemala, July 15, 2020.

Health workers help each other as they remove their Personal Protective Equipment (PPE), after the cremation of the body of Prof. Charles Kariuki who died due to the coronavirus disease (COVID-19), at a crematorium in Nairobi, Kenya July 20, 2020.

Mary Ticona, a nurse of the Los Andes Hospital talks to the media amid the outbreak of coronavirus disease (COVID-19), in El Alto outskirts of La Paz, Bolivia, July 7, 2020.

Nurses react as a mariachi band serenades for the medical staff of the Regional General Hospital No. 66 of the Mexican Institute of Social Security (IMSS), as the outbreak of the coronavirus disease (COVID-19) continues, in Ciudad Juarez, Mexico July 10, 2020.

A healthcare worker holds a fan to cool his colleague after he felt dizzy during a check up campaign for the coronavirus disease (COVID-19) at a slum area in Mumbai, India July 8, 2020.

A member of the Salvadoran Social Security Institute (ISSS) workers' union participates in a protest asking for quarantine measures to contain the spread of the coronavirus disease (COVID-19), in San Salvador, El Salvador July 16, 2020.