Members of a local Vietnamese Facebook group make masks to donate to nearby hospitals and clinics, during the coronavirus disease (COVID-19) outbreak, at Kati Barnett’s home in Tacoma, Washington, U.S. March 22, 2020.

Image used for illustrative purpose. Tube tests are pictured pictured as media visit the Microbiology Laboratory of the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, March 23, 2020.

Medical equipment is seen inside the Jacob K. Javits Convention Center after New York Governor Andrew Cuomo announced that the site will be partially converted into a hospital for patients affected by the coronavirus disease (COVID-19) in Manhattan in New York City, New York, U.S., March 23, 2020.

An anesthesia machine, which would be used as backup in the event of a ventilator shortage for coronavirus disease (COVID-19) cases, is seen in a Maryland hospital, March 18, 2020.

A nurse waits at the entrance of the CHC Montlegia hospital as the health sector expects a rise of people hit by an outbreak of coronavirus disease (COVID-19) in Liege, Belgium, March 23, 2020.

University of Washington infectious diseases, gynecology and women’s health researcher Dr. Kristina Adams Waldorf holds some of the thousands of masks that have been donated by community members after her home became a de facto donation site, during the coronavirus disease (COVID-19) outbreak, at her home in Seattle, Washington, U.S. March 22, 2020.

Image used for illustrative purpose. Tube tests are pictured pictured as media visit the Microbiology Laboratory of the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, March 23, 2020.

A staff member works as media visit the Microbiology Laboratory of the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, March 23, 2020.

Biomedical equipment specialist Willie Kendricks conducts depot-level maintenance on a ventilator as the U.S. Army supports coronavirus disease (COVID-19) response efforts worldwide, at Tobyhanna Army Depot, Pennsylvania, U.S. Army National Guard/Sgt. Davis Rohrer/Handout via REUTERS.

Shelves of personal protective equipment including gloves, gowns are seen in a Maryland hospital as the country faces coronavirus disease (COVID-19) cases, March 18, 2020.

A nurse waits at the entrance of the CHC Montlegia hospital as the country expects a rise of people hit by an outbreak of coronavirus disease (COVID-19) in Liege, Belgium, March 23, 2020.

A medical officer checks medical devices at an emergency hospital that is handling coronavirus disease (COVID-19) in Kemayoran Athletes Village, to prevent the spread of the disease, in Jakarta, Indonesia March 23, 2020. Antara Foto/Hafidz Mubarak A via REUTERS

A medical staff of a general practitioner adjusts her googles before she walks to a coronavirus disease (COVID-19) test center set up outside a doctor's office in a tent at Berlin's Reinickendorf district, Germany, March 23, 2020.

French rescue team wearing protective suits carry a patient on a stretcher from Mulhouse hospital before being loaded into a helicopter as France faces an aggressive progression of the coronavirus disease (COVID-19), March 23, 2020.

Shelves of personal protective equipment including eye protection, gloves, hats, masks and shoe covers are seen in a Maryland hospital as the country faces coronavirus disease (COVID-19) cases, March 18, 2020.

Some of the thousands of masks that have been donated by community members are seen in the car of University of Washington infectious diseases, gynecology and women’s health researcher Dr. Kristina Adams Waldorf after her home became a de facto donation site, during the coronavirus disease (COVID-19) outbreak, at her home in Seattle, Washington, U.S. March 22, 2020.

An anesthesia machine, which would be used as backup in the event of a ventilator shortage for coronavirus disease (COVID-19) cases, is seen in a Maryland hospital, March 18, 2020.

Ethiopian Airlines workers load a cargo plane with medical donations to Africa for coronavirus disease (COVID-19) testing, from Chinese billionaire Jack Ma and the Alibaba Foundation, before its departure for Khartoum, Cairo, Asmara and Djibouti from the Bole International Airport in Addis Ababa, Ethiopia March 23, 2020.

Empty patient beds are seen in a Maryland hospital as hospitals have limited visitors and cancelled elective surgery to make space for coronavirus disease (COVID-19) cases, March 18, 2020.

A nurse wears a powered air purifying respirator (PAPR) for coronavirus disease (COVID-19) protection in a Maryland hospital, March 18, 2020.

Staff members work as media visit the Microbiology Laboratory of the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, March 23, 2020.

Medical equipment is seen inside the Jacob K. Javits Convention Center after New York Governor Andrew Cuomo announced that the site will be partially converted into a hospital for patients affected by the coronavirus disease (COVID-19) in Manhattan in New York City, New York, U.S., March 23, 2020.

A medical staff of a general practitioner wears gloves before she walks to a coronavirus disease (COVID-19) test center set up outside a doctor's office in a tent at Berlin's Reinickendorf district, Germany, March 23, 2020.

A medical officer checks devices at an emergency hospital, handling coronavirus disease (COVID-19) at Kemayoran Athletes Village, in Jakarta, Indonesia March 23, 2020. Antara Foto/Hafidz Mubarak A via REUTERS Image used for illustrator purpose