The disease was first confirmed in the country in late March following Cyclone Idai.
Nearly 1,500 cases of cholera have been reported, and at least one person has died .
The outbreak was triggered by contaminated floodwaters.
Dr. Seth Berkley, the CEO of a global health partnership that promotes vaccines in impoverished countries, says the cyclone has severely damaged water and sanitation infrastructure.
He said, "This cyclone has already caused enough devastation and misery across southeast Africa; we have to hope these vaccines will help stop a potentially major outbreak and prevent yet more suffering." Mozambique received some 900,000 cholera vaccine doses Tuesday to combat the disease.
The southeast African nation has experienced yearly cholera outbreaks for the past five years, according to WHO.
According to CNN, cases of cholera have risen to more than 1,000 in cyclone-stricken areas of Mozambique. Authorities are scrambling to contain the spread of the highly contagious, largely waterborne..