FILE - In this, Sunday, March 15, 2020 file photo, a medical staff member works on setting up an isolation room at a coronavirus quarantine ward at a hospital in Sanaa, Yemen. In conflict zones across the Middle East, the specter of the coronavirus looms large. Authorities in Yemen, Libya, Syria, Afghanistan and the Gaza Strip warn that health care systems gutted by years of war and unrest have left millions of people doubly vulnerable to the pandemic. For most people, the virus causes only mild or moderate symptoms. For some it can cause more severe illness. (AP Photo/Hani Mohammed, File)
CAIRO When Dr. Ismail al-Mansouri goes to work in Yemens capital, he puts on one of the hospitals few pairs of medical gloves. Then he enters a cramped clinic teeming with listless patients, many malnourished, some vomiting, others with diarrhea.