Reduviid bugs as a vector for Chagas disease

This topic submitted by Ryan Gifford ( Gifforrj@miamioh.edu) at 6:31 PM on 3/24/04.

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Tropical Field Courses -Western Program-Miami University



I.Reduviid bugs (Kissing bugs)
a. Identification
b. Life cycle
c. Habitats
d. Reduviid bugs as a vector
II.Trypanosomiasis cruzi
a. Hosts
b. Vectors
c. Life cycle
d. Molecular basis
e. Pathogenesis
III.Chagas Disease
a. Diagnosis
b. Forms of disease
i. Acute
ii. Intermediate
iii. Chronic
c. Geographical distribution of infection
d. Transmission
e. Control of disease
f. Diagnostic tests
g. Related Chronic Heart disease and treatments
h. Therapy


DIESFELD H.
1997 Historical Aspects of American Trypanosomiasis (ChagasŐ Disease).
Frankfurt am Main: Peter Lang Europaischer Verlag der
Vissenschaften.


BASTIEN J.
1998 The Kiss of Death ChagasŐ Disease in the Americas. Salt Lake
City, UT: The University Of Utah Press.


HYDE J.
1999 Protocols in Molecular Parasitology. Manchester UK: Humana
Press Totowa, NJ


CRAMPTON J.,BEARD C., LOUIS C.
1997 The Molecular biology of Insect Disease Vectors. London UK: The
University Press, Cambridge.

GILLES H.
1998 Protozoal Diseases. London UK: Arnold, a member of the Hodder
Headline Group.

WWW.tdh.state.tx.us/zoonosis/diseases/CHAGAS/CHAGASŐ.pdf March 22, 2004


GUERRANT R., SOUZA M., NATIONS M.,
1996 At the Edge of Development Health Crises in a Transitional
Society. Durham, NC: Carolina Academic Press.

I would like to do my Presentation on "kissing bugs". Kissing bugs are prevalent in the mid to southern latitudes in the Americas and are an obligate blood feeder. In humans they predominately feed of off sleeping hosts for 8-15 min. but are able to survive for 3-15 months between feedings. Only one feeding is necessary at each of the five instar life stages. The symptoms of the bite are similar to a spider bite and often diagnosed as so. It is not the Kissing bug itself that is deadly, but rather the parasite that it often is a vector for. This is a single celled organism that attacks heart tissue in its Hosts. The kissing bug acquired its name because it is attracted
to CO2 and often bites around the mouth of its victims.

I feel it is important to present this disease because it often is found in very poor community, where physicians are not available for diagnosis, and research is not financially supported. I hope to educate myself and others along on the trip about this common, but little known disease.



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