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Chagas disease, or American trypanosomiasis, is a condition that causes gradual organ damage. Without treatment, it can be fatal. This article explains where the T. cruzi parasite is most common and how it can spread. It also outlines the symptoms of Chagas disease and the treatment options avail... more
Trachoma is one of oldest infectious diseases known to humans. It is caused by the bacteria Chlamydia trachomatis, which is transmitted through contact with eye secretions of infected people (shared use of towels and handkerchiefs, contact with fingers, etc.), as well by flies that help spread it.
Trachoma is one of the 17 WHO-defined Neglected Tropical Diseases (NTDs) that affect over 1 billion of the world’s poorest and most marginalized people. It is caused by the bacterium chlamydia trachomatis.
WHO Fact sheets, questions and answers. Trachoma is a disease of the eye and the leading infectious cause of blindness worldwide.

What Is Trachoma?

Tubert, D. American Adademy of Ophthalmology (2022) CC
Trachoma is an eye infection affecting both eyes. It is the world’s leading cause of infectious blindness. A bacterium called Chlamydia trachomatis causes trachoma. According to the World Health Organization (WHO), trachoma has caused the visual impairment of 1.8 million people. Of those people, 4... more
Trachoma is the leading infectious cause of blindness worldwide. It is caused by an obligate intracellular bacterium called Chlamydia trachomatis. The infection is transmitted by direct or indirect transfer of eye and nose discharges of infected people, particularly young children who harbour the pr... more
Trachoma Atlas is dedicated to eliminating the world's leading infectious cause of preventable blindness
Since 1996, trachoma has been targeted for elimination as a public health problem worldwide. The active trachoma criterion for national elimination as a public health problem is a TF1–9 < 5%, sustained for at least two years in the absence of antibiotic mass drug administration (MDA), in each form... more
Countries, partners, and donors are committed to the global elimination of blinding trachoma by 2020. Achieving this public health milestone requires more than funding; it requires health personnel with the right mix of skills, and well supported and managed health systems. Mass drug administra... more
The Fifty-first World Health Assembly, Recalling resolutions WHA22.29, WHA25.55 and WHA28.54 on the prevention of blindness, and WHA45.10 on disability prevention and rehabilitation; Aware of previous efforts and progress made in the global fight against infectious eye diseases, in particular tr... more
This Trachoma Action Planning – a planning guide – is published by the International Coalition for Trachoma Control at the request of the World Health Organization Alliance for the Global Elimination of Trachoma by 2020.
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