The Houthis say faulty test-kits are responsible for the spread of the coronavirus, but WHO and Yemeni officials dismiss these claims.
Under Yemen's dilapidated health system, millions are at risk of being infected with coronavirus and other diseases, the country's top health official said.
Authorities suspended the umrah, but have yet to announce whether they will proceed with this year's hajj, scheduled for the end of July.
Yemeni officials say there is a continuing need for the UN and donor countries to support Yemen's health sector as it battles COVID-19.
Doctors say closures alone are not enough and that social distancing measures in markets and other public places need to be enforced.
As Egyptian forces battle ISIS in North Sinai, local women are fighting the coronavirus by sewing and selling face masks with colourful Bedouin designs.
Additional preventive measures are being taken in Syrian refugee camps in Lebanon after a group of refugees tested positive for coronavirus.
A medical team of experts has started planning to establish the 100-bed integrative medical unit to stem the spread of COVID-19 in Yemen.
The conference aims to raise more than two billion dollars to support Yemen's fight against COVID-19 as the virus spreads throughout the country.
The passengers underwent antibody testing and temperature scans and are required to isolate at home, according to protocols established by the supreme emergency committee for COVID-19.