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Biology

Theses and Dissertations

2018

Health and environmental sciences

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Co-Infection Of Zika And Dengue Virus In Aedes Aegypti And Aedes Albopictus Mosquitoes, Felicia Vazquez Dec 2018

Co-Infection Of Zika And Dengue Virus In Aedes Aegypti And Aedes Albopictus Mosquitoes, Felicia Vazquez

Theses and Dissertations

The term co-infection describes an event when multiple pathogens infect a single host. For vector-borne diseases, a vector may become co-infected by feeding either on a single host that has multiple pathogens or feeding multiple hosts, each of which may be infected. Co-infection in non-vector hosts has been shown to influence immune response and eventual outcome of disease, and is likely to have a similar impact on vector species. With multiple vector-borne diseases circulating in South Texas, the potential for co-infection exists. We examined when mosquitoes are infected with one virus and subsequently infected with another. We hypothesized that the …


Survey Assessment Of Community Knowledge And Prevention Of Chagas Disease And Its Vector In Hidalgo And Cameron Counties, Adam Dennis Wiejaczka Aug 2018

Survey Assessment Of Community Knowledge And Prevention Of Chagas Disease And Its Vector In Hidalgo And Cameron Counties, Adam Dennis Wiejaczka

Theses and Dissertations

Chagas disease, caused by the parasite Trypanosoma cruzi, kills thousands of people annually and is the dominant cause of infectious myocarditis worldwide. Kissing bugs are vectors that carry T. cruzi . and are found in the Lower Rio Grande Valley (LRGV). There is no vaccination nor cure for Chagas. The best mechanism of prevention is to control vector infestations. Little research is available regarding the level of understanding local communities have about Chagas.

Our goal was to test the knowledge of several communities in the LRGV on Chagas disease. Our hypothesis states that local communities do not have sufficient …