What sort of disease is chagas' disease?

Parasite. Parasite spread by insects primarily in south america. Can cause problems later in life in digestive and cardiac disease.
A problematic One. Chagas disease is transmitted to humans by the bite of kissing bugs, mother to fetus & by contaminated food. They suck blood & pass on a protozoan called trypanosoma cruzi. Sxs can include fatigue, generalized body aches, loose bowel movements, vomiting, rash, poor appetite. Liver & spleen can enlarge. Brain & heart can become inflamed. It can be treated with anti-parasites early on.
Also affects eyes. Many patients with chagas disease from this parasite will have light sensitivity, iritis or inflammation in the anterior chamber of the eye, and rarely, retinal lesions.