The 7 Most Common NTDs

Neglected tropical diseases are the most common afflictions of the world's poorest people--those who subsist on less than $1.25 per day. They infect one in six people, including more than half a billion children around the world.

Ascariasis

Ascariasis, or roundworm, is an intestinal parasitic infection and is part of a family of parasites known as the soil-transmitted helminths. It affects more than 1 billion people worldwide.
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Hookworm

Hookworm is an intestinal parasite most commonly found in tropical and subtropical climates worldwide, particularly in Africa and Latin America. This soil-transmitted helminth affects an estimated 700 million people. View full profile
 

Lymphatic Filariasis

Lymphatic Filariasis, also known as elephantiasis, affects more than 120 million people in 80 countries worldwide, and is an extremely painful, debilitating and disfiguring disease.
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Onchocerciasis

Onchocerciasis, also known as river blindness, infects 26 million people living near the rivers and fast-moving streams of sub-Saharan Africa. View full profile

 

Schistosomiasis

Schistosomiasis, also known as bilharzia or “snail fever”, is a parasitic disease carried by fresh water snails. It is the most deadly NTD and affects more than 200 million people worldwide.
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Trachoma

Trachoma is an infectious disease of the eye caused by the bacterium Chlamydia trachomatis, and is the world’s leading cause of preventable blindness. Approximately 41 million people worldwide have active trachoma. View full profile
 

Trichuriasis

Trichuriasis, also in the family of soil-transmitted helminths, is an infection of the large intestine caused by the human whipworm. More than 800 million people are affected.
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