http://www.sciencemag.org/news/2020/05/yemen-was-facing-worlds-worst-humanitarian-crisis-then-coronavirus-hit

Armed men patrol the street in rebel-held Sana’a, Yemen. The rebel health ministry has reported just four COVID-19 cases, but there are unofficial reports of hundreds of laboratory-confirmed cases.

Science's COVID-19 reporting is supported by the Pulitzer Center.