Articles on contaminated water

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A woman takes an oral cholera vaccine in a hospital. But cholera vaccines are not always effective and never long lasting. REUTERS/Andres Martinez Casares

What’s driving multiple outbreaks of cholera in Nigeria

Many states in Nigeria are reeling from cholera outbreaks. They need better health and sanitation infrastructure to disrupt transmission of the bacteria which cause the disease.
As many people have had to wade through floodwaters, they need to be aware of the risk of infection and disease from contaminated waters. AP Photo/David J. Phillip

Flooding from Hurricane Harvey causes a host of public health concerns

As Houston continues to rescue residents whose homes were ruined, it also begins to deal with issues related to contaminated floodwaters and overflowing reservoirs. It won't be easy.
A child collects clean water in Delmas, east of Johannesburg, an area vulnerable to outbreaks of the deadly typhoid virus. Reuters/Mujahid Safodien

Explainer: causes, symptoms and cures of typhoid fever

The danger with typhoid is that symptoms are quite insidious and mimic those of other infectious diseases.

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