Medical technology

President Donald Trump holds a face mask in his left hand as speaks during a tour of Ford's Rawsonville Components Plant that has been converted to making personal protection and medical equipment, Thursday, May 21, 2020, in Ypsilanti, Mich. (AP Photo/Alex Brandon)

In this image provided Dartmouth-Hitchcock Health, Respiratory Care Practitioner Craig Skirvin, wears a face shield, Friday, May 1, 2020, at Dartmouth-Hitchcock Medical Center;s Medical Intensive Care Unit, where it cares for COVID-19 patients in Lebanon, N.H. The hospital had extra face shields but needed hand sanitizer, so it swapped with another hospital on one of several new online matchmaking platforms that enable hospitals to swap supplies or get donations of them to quickly fill supply gaps. (Mark L. Washburn/Dartmouth-Hitchcock Health via AP)

French President Emmanuel Macron, wearing a protective face mask, speaks with schoolchildren during a class at the Pierre Ronsard elementary school Tuesday, May 5 2020 in Poissy, outside Paris. Starting from May 11, all French businesses will be allowed to resume activity and schools will start gradually reopening. (Ian Langsdon, Pool via AP)

In this Tuesday, April 28, 2020, photo, Alexander Faigen, of Augusta University's Dental College of Georgia, shows how far a nasal swab must be inserted in Augusta, Ga. Volunteers at a Georgia dental college who started using a 3D printer to make nasal swabs used in test kits for the coronavirus are now a major part of the state's effort to expand testing. (AP Photo/Ron Harris)

FILE - In this Feb. 19, 2019, file photo, West Virginia Attorney General Patrick Morrisey speaks at a news conference in Martinsburg, W.Va. The West Virginia Supreme Court on Tuesday, April 21, 2020, upheld a so-called right-to-work law, overturning a lower court ruling that had sided with labor unions. Morrisey called the latest decision a “major victory for worker choice.” (Matthew Umstead/The Herald-Mail via AP, FIle)

Members of the Equestrian Gendarmerie Units, which normally serve to protect the Topkapı Palace, wearing face masks for protection against the coronavirus, as they patrol the beaches in Sariyer outside Istanbul, Saturday, May 2, 2020. The equestrian unit is used to patrol the beach area to enforce the curfew measures, restricting people from walking around or swimming. (Ibrahim Mase/DHA via AP)

FILE - In this March 22, 2020, file photo, a municipal worker sanitizes the street of Dakar's popular Medina neighborhood after a bulldozer demolished informal shops in an effort to stop the spread of the coronavirus. Africa is bracing for a surge in coronavirus cases, but its countries are far behind in the global race for medical equipment that’s dangerously scarce. (AP Photo/Sylvain Cherkaoui, File)

Brazil's President Jair Bolsonaro speaks to supporters during a protest in front the army's headquarters during the Army day, amid the new coronavirus pandemic, in Brasilia, Brazil, Sunday, April 19, 2020. Bolsonaro came out in support of a small protest Sunday that defended military intervention, infringing his own ministry's recommendations to maintain social distancing and prompting fierce critics. (AP Photo/Andre Borges)