Ancient parasites of the genus Tunga originated in America and, during the fi rst half of the 19th century, were transported to the Eastern Hemisphere on transatlantic voyages. Although they were first documented by Spanish ...

Trachoma, a chronic keratoconjunctivitis caused by the intracellular bacterium Chlamydia trachomatis, is the leading infectious cause of blindness and affects the most underprivileged populations worldwide. An estimated ...