Passengers wear face masks as they wait at immigration at Kuala Lumpur Low Cost Terminal in Sepang, Malaysia, Wednesday, Jan. 29, 2020. Malaysia has tightened control at its borders and banned travelers from China's Hubei province as virus cases in the country rose to 7. (AP Photo/Vincent Thian)

MADRID, SPAIN - MARCH 30: This handout picture provided by Comunidad de Madrid shows pavilion 9 ampliation at IFEMA Emergency Hospital on March 30, 2020 in Madrid, Spain. Spain ordered all non-essential workers to stay home for two weeks to help slow the Coronavirus (COVID-19) pandemic, which has killed more than 6,000 people in the country. (Photo by Comunidad de Madrid - Handout/Getty Images)

MADRID, SPAIN - MARCH 29: Members of the Military Emergencies Unit (UME) arrive to carry out a disinfection at the Gravina residence for the elderly in Madrid on March 29, 2020 in Madrid, Spain. Spain plans to continue its quarantine measures at least through April 11. The coronavirus (COVID-19) pandemic has spread to at least 182 countries, claiming over 30,000 lives and infecting hundreds of thousands more. (Photo by Carlos Alvarez/Getty Images)