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An acute Chagas disease infection with swelling of the right eye (Romaña's sign) Chagas disease occurs in two stages: an acute stage, which develops one to two weeks after the insect bite, and a chronic stage, which develops over many years. [2] [4] [16] The acute stage is often symptom-free. [2]
Carlos Chagas with his sons, Evandro Chagas and Carlos Chagas Filho. After the death of his mentor in 1917, Chagas accepted Cruz's directorship of the institute, a post he held until his own death in 1934. [25] From 1920 to 1924, he became the director of the Department of Health in Brazil, the set up of which he initiated.
Scabies (also sometimes known as the seven-year itch) is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite Sarcoptes scabiei, variety hominis. The word is from Latin: scabere, lit. 'to scratch'. The most common symptoms are severe itchiness and a pimple -like rash. Occasionally, tiny burrows may appear on the skin. In a first-ever infection, the infected person usually ...
Deaths from the Spanish flu pandemic in the United States by state (24 C) Tuberculosis deaths in the United States by state (45 C) Infectious disease deaths in Puerto Rico (3 C, 3 P)
Chagas disease is caused by Trypanosoma cruzi. About seven to eight million people are estimated to have Chagas disease in Latin America and there is no known vaccine for the disease. [ 18 ] The vector that carries Trypanosoma cruzi is the insect species Triatoma infestans , also known as "kissing bugs".
Cattle can also act as a reservoir in areas where disease incidence is lower. [13] Trypanosoma brucei gambiense is the second type of protozoan which usually results in more chronic disease patterns. [15] Its main reservoir is the cattle populations. Although it is also fatal, death can take months or years to occur. [17]
He researched tropical diseases from 1930 to 1960 in Northern Argentina, particularly Chagas disease. His description of his eponymous sign in 1935 allowed for earlier and easier diagnosis of this disease in endemic areas. [1] In 1942 he became the first director of the Regional Institute of Medicine at the National University of the Northeast. [2]
2015 Bronx Legionnaires' disease outbreaks; 2015 United States E. coli outbreak; 2015 United States H5N2 outbreak; 2016 United States Elizabethkingia outbreak; 2017–2018 United States flu season; 2018 United States adenovirus outbreak; 2019 New York measles outbreak; 2019 Pacific Northwest measles outbreak; 2019 United States hepatitis A outbreak