Neglected tropical diseases

Neglected tropical diseases (NTDs) are a collection of diseases which are prevalent in developing countries. The diseases included by the term varies, but the World Health Organization recognizes 19 diseases, including viral, bacterial and parasitic worm infections (such as soil transmitted helminthiasis). These diseases are contrasted with the big three infectious diseases (HIV/AIDS, malaria and tuberculosis), which are generally less neglected. NTDs affect more than 1 billion people worldwide.[1]

For some NTDs, there are treatments but no vaccines: for example, praziquantel is an effective treatment for schistosomiasis. For other NTDs, such as dengue, there are neither treatments nor vaccines.

Since there has been little assessment of this area, current cost-effectiveness estimates are very speculative. However, they indicate that research into NTDs may be several times more effective than other global health interventions.

Further reading

Giving What We Can (2015) Medical research, Giving What We Can, September 21 (updated 25 April 2018).
An investigation into the effectiveness of medical research into neglected tropical diseases.

Karnofsky, Holden (2015) Investigating neglected goals in scientific research, Open Philanthropy, March 26.
A discussion by the Open Philanthropy Project on tropical diseases as a neglected research area.

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    World Health Organization (2012) Neglected tropical diseases, World Health Organization, January 17.

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