Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"endemicity"”.
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Evidence-based vaccinology: supporting evidence-informed considerations to introduce routine hepatitis A immunization in South Africa
… a possible shift from high to intermediate HAV endemicity may be occurring in South Africa. Countries with intermediate HAV endemicity and no routine hepatitis A vaccination program have a high risk of experiencing hepatitis A outbreaks and high costs associated with care. Currently, there is no …
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Metagenomic analysis of the biodiversity and seasonal variation in the meromictic Antarctic lake, Ace Lake
… all three stratified systems, highlighting its endemicity to the Vestfold Hills. Potential Chlorobium viruses, representing generalist viruses, were identified in aquatic systems from the Vestfold Hills and the Rauer Islands, indicating a widespread geographic distribution. Seasonal variation in …
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Biodiversity and Biogeography of Amphipod Crustaceans
… crustaceans, I determined the regions of endemicity and latitudinal gradients for three measures of diversity (alpha, gamma, and beta diversity). The analysis of the spatial patterns of richness and endemicity, based on over 400,000 distribution records of 4,876 amphipod species, …
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Taxonomia da subclasse Tetractinomorpha (Porifera, Demospongiae) do Arquipélago de Abrolhos, BA, Brasil
… endemic to the local. The great richness, the endemicity and the heterogeneous distribution of the Tetractinomorph species on the Abrolhos Archipelago reinforce the necessity to protect the local reefs.
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Studies of anti-trypanosomal active triterpenoids from some African propolis
… which is a major global health problem with high endemicity in developing countries due to the alarming rate of resurgence of the disease, drug related adverse effects and drawbacks of the existing useful drugs. Natural products have continued to play a significant role to the search for new, …
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Antimalarial drug rescue through safety improvement: design, synthesis and evaluation of amaodiaquine analogues
… 2012 WHO Malaria Report. Furthermore, malaria endemicity is associated with poor economic growth. One of the greatest challenges facing malaria chemotherapy is the emergence of Plasmodium strains resistant to all known clinically used antimalarials. This underscores the need for the development …
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Knowledge, Attitudes, and Practices Regarding Tickborne Diseases in Long Island, New York
… Island, New York, a northeast region with high endemicity of ticks and tickborne diseases (TBDs). Through a knowledge, attitudes, and practices (KAP) survey, I identified several knowledge gaps related to Lyme disease treatment, age groups most at risk, and chronic Lyme disease. Knowledge of …
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A Serra dos Órgãos como barreira biogeográfica para peixes dos gêneros Astyanax Baird e Girard (1854) e Deuterodon Eigenmann (1907) (Teleostei : Characiformes : Characidae)
… Two new Deuterodon species are described. The endemicity pattern of A. intermedius, Astyanax sp. 2 sp. n. and two new Deuterodon species suggestes that the Serra dos Órgãos, which separetes coastal form Paraiba do Sul river drainages, acts such like a biogeografic barrier for that species. …
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Matrix Gene Splicing and Emergence of Highly Pathogenic Avian Influenza
… in recorded history and will likely result in endemicity. Here we described the three worst recorded HPAI outbreaks in North America. The first of these outbreaks occurred in 1983-1984 and resulted in culling of almost 17 million chickens, turkeys, and guinea fowl. We demonstrated that the …
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Construction, characterization, and evaluation of CLH001 as a vaccine candidate against respiratory glanders
… high mortality rates in respiratory cases. Its endemicity and ineffectual treatment options emphasize its public health threat and highlight the need for a vaccine. In this study, we constructed and characterized B. mallei ∆tonB ∆hcp1 (CLH001), a strain deficient in iron uptake and type six …
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Essays on Malaria, Environment and Society
… urbanization, malaria risk, and malaria endemicity to spatially estimate the cost of fully deploying ecology-appropriate anti-malaria interventions in Africa; the cost of curbing malaria is found to be small (around $4 per person at risk per year), especially given its high disease burden …
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Hepatitis A seroprevalence in South Africa: Are we in epidemiological transition?
… <90% up to age 10 years, indicating intermediate endemicity. The NICD data showed that a substantial number of symptomatic hepatitis A infections occurred in the 7-40 year age group, suggesting an increasing proportion of a susceptible population to HAV infection. Taken together, these results …
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Inculturation: with special reference to the Catholic Church in Lesotho and to liturgy
… prehistoric and historical extinction rates, endemicity, migration, bird body size and phylogenetic diversity. An analysis dealing with historical and phylogenetic aspects of endangered and critically threatened species was performed, from which the world's most threatened species were …
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The causes of avian extinction and rarity
… prehistoric and historical extinction rates, endemicity, migration, bird body size and phylogenetic diversity. An analysis dealing with historical and phylogenetic aspects of endangered and critically threatened species was performed, from which the world's most threatened species were …
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The causes of avian extinction and rarity
… prehistoric and historical extinction rates, endemicity, migration, bird body size and phylogenetic diversity. An analysis dealing with historical and phylogenetic aspects of endangered and critically threatened species was performed, from which the world's most threatened species were …
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Interpreting television: Teleconsciousness and the development of a creative curriculum
… prehistoric and historical extinction rates, endemicity, migration, bird body size and phylogenetic diversity. An analysis dealing with historical and phylogenetic aspects of endangered and critically threatened species was performed, from which the world's most threatened species were …
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Accessing silence : research methods into sexual harassment : a case study of the Committee of Enquiry into Sexual Harassment at the University of Cape Town
… prehistoric and historical extinction rates, endemicity, migration, bird body size and phylogenetic diversity. An analysis dealing with historical and phylogenetic aspects of endangered and critically threatened species was performed, from which the world's most threatened species were …
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Global dynamics of Bordetella pertussis and implications for control
… in neonates, where infection can lead to death. Endemicity, subclinical infections and circulation of multiple lineages hide the underlying dynamics of *Bordetella pertussis* from surveillance systems. Therefore, the extent of its spread across spatial scales remains unknown, as does the role of …
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Micro scale heterogeneity of spiders (Arachnida: Araneae) in the Soutpanberg, South Africa: a comparative survey and iventory in representative habitats
… and species composition, as well as levels of endemicity, relating these differences with vegetation structure. The study inventoried 297 species (9752 individuals), representing 158 genera, and 50 families in an area less than 450 ha were collected during the three sampling periods, namely May …
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The incidence of tuberculosis in the inflammatory bowel disease registry in Cape Town, South Africa
… countries. Corresponding data in areas of high endemicity like South Africa (SA) is limited. Our objectives were to calculate the incidence, identify predictors and determine clinical characteristics of TB common to IBD patients living in this environment. Methods: In this retrospective study, …
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