For months, experts have warned of a potential nightmare scenario: After overwhelming health systems in some of the world’s wealthiest regions, the coronavirus gains a foothold in poor or war-torn countries ill-equipped to contain it and sweeps through the population. In southern Yemen, health workers are leaving their posts en masse because of a lack of protective equipment, and some hospitals are turning away patients struggling to breathe. In Sudan’s war-ravaged Darfur region, where there is little testing capacity, a mysterious illness resembling COVID-19 is spreading through camps for the internally displaced.
