Definition Brucellosis, previously known as Malta fever, Mediterranean fever, or undulant fever, is a zoonotic disease caused by bacteria of the genus Brucella . Human infection, which has protean manifestations, is acquired via direct contact, ingestion, or inhalation. Most disease…
American trypanosomiasis or Chagas disease is caused by the protozoan Trypanosoma cruzi . Its natural vectors are the reduviid insects, specifically triatomines , variably known as wild bedbugs, assassin bugs, or kissing bugs. It can also be transmitted orally from…
Sixty million people in 36 countries are at risk for infection with Trypanosoma brucei complex, the causative agent of sleeping sickness. Also known as human African trypanosomiasis (HAT) , this disease is restricted to sub-Saharan Africa, the range of the…
Trichomoniasis is caused by the protozoan Trichomonas vaginalis. It is the second most common sexually transmitted infection worldwide. Vulvovaginitis is the symptomatic disease form, but T. vaginalis has been implicated in pelvic inflammatory disease, pregnancy loss, chronic prostatitis, and an…
Entamoeba species infect or colonize up to 10% of the world's population, particularly in resource-limited settings. In most infected individuals, Entamoeba histolytica or a related species parasitizes the lumen of the gastrointestinal tract and causes few symptoms or sequelae. Although…