As venomous snakes flee the flood, there could be a spike in snakebites.

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Beyond snakebites, Warren found that the women that harvest shea nuts lack the business skills and savvy to sell their products.

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Encouraged, they introduced the DTP vaccine, which protects children from diphtheria, tetanus and pertussis (still a top seller), followed by an anti-snake-venom serum for snakebites.

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Much of it had to do with snakebites.

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