A sanitary worker sits in the back of a truck during a fumigation in an area in Yemen's southern coastal city of Aden as part of a campaign to prevent insect-borne diseases amidst the COVID-19 coronavirus pandemic. AFP
A sanitary worker sits in the back of a truck during a fumigation in an area in Yemen's southern coastal city of Aden as part of a campaign to prevent insect-borne diseases amidst the COVID-19 coronavShow more

Coronavirus cases rise to 21 in Yemen, but UN fears silent spread