A cholera-infected woman receives medical treatments at a health center in Sanaa, Yemen, on Aug. 12, 2019. The cholera in Yemen has set the world's highest record with the infection of one million people and over 2,000 have been confirmed dead since 2017, according to World Health Organization. (Photo by Mohammed Mohammed/Xinhua)

A cholera-infected child receives medical treatments at a health center in Sanaa, Yemen, on Aug. 12, 2019. The cholera in Yemen has set the world's highest record with the infection of one million people and over 2,000 have been confirmed dead since 2017, according to World Health Organization. (Photo by Mohammed Mohammed/Xinhua)

A cholera-infected child receives medical treatments at a health center in Sanaa, Yemen, on Aug. 12, 2019. The cholera in Yemen has set the world's highest record with the infection of one million people and over 2,000 have been confirmed dead since 2017, according to World Health Organization. (Photo by Mohammed Mohammed/Xinhua)

A cholera-infected child receives medical treatments at a health center in Sanaa, Yemen, on Aug. 12, 2019. The cholera in Yemen has set the world's highest record with the infection of one million people and over 2,000 have been confirmed dead since 2017, according to World Health Organization. (Photo by Mohammed Mohammed/Xinhua)