![A medical worker wearing full protective gear stands at the gate of the intensive care unit of a hospital, where coronavirus (Covid-19) patients are treated in Sanaa, Yamen, on June 15, 2020.](/sites/default/files/media_2021/07/202107yemen_covid_vaccines_healthcare_workers.jpg)
A medical worker wearing full protective gear stands at the gate of the intensive care unit of a hospital, where coronavirus (Covid-19) patients are treated in Sanaa, Yamen, on June 15, 2020.
© 2020 Hani Al-Ansi/picture-alliance/dpa/AP Images
A medical worker wearing full protective gear stands at the gate of the intensive care unit of a hospital, where coronavirus (Covid-19) patients are treated in Sanaa, Yamen, on June 15, 2020.