A malnourished child sits on a bed as he receives medical treatment in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A woman offers water to her malnourished child as he receives medical treatment in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A malnourished child receives medical treatment in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A woman with her cholera-infected child in her arms waits for treatment at the anti-cholera treating center in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A woman holds her malnourished child as he receives medical treatment in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A man carries his cholera-infected child to receive treatment at the anti-cholera treating center in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)

A woman holds the foot of her malnourished child as he receives medical treatment in Al-Sabeen hospital in Sanaa, Yemen, Dec. 10, 2019. (Photo by Mohammed Mohammed/Xinhua)