In this country, at least 180 out of 369 hospitals will close within three weeks due to a lack of economic resources.
Meanwhile, 8.5 million people, including 3 million children, will suffer water and sanitation services' disruption.
"Yemen is experiencing the world's worst crisis, with 24 million people depending on humanitarian aid to stay alive," UN Secretary-General Antonio Guterres said.
The country reported its first infection on April 10. Today, the total number of COVID-19 cases stands at 22 but it is believed the disease is advancing widely through the communities without being detected.