Search for dissertations about: "Minimum infection rate"
Showing result 1 - 5 of 10 swedish dissertations containing the words Minimum infection rate.
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1. The Origin of the Genus Flavivirus and the Ecology of Tick-Borne Pathogens
Abstract : The present thesis examines questions related to the temporal origin of the Flavivirus genus and the ecology of tick-borne pathogens. In the first study, we date the origin and divergence time of the Flavivirus genus. It has been argued that the first flaviviruses originated after the last glacial maximum. READ MORE
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2. HIV-1 infection in Tanzania : HIV antibody testing strategies and lymphocyte subset determinations
Abstract : The objectives of the studies that are reported in this thesis were to evaluate HIV antibody testing strategies and prognostic markers and to study inummological deterioration of HIV-1 infected individuals. Alternative testing strategies for confirmation of HIV seropositivity were evaluated using combinations of screening assays. READ MORE
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3. Impact of Heterobasidion spp. root rot in conifer trees and assessment of stump treatment : with emphasis on Picea abies, Pinus sylvestris and Larix × eurolepis
Abstract : In the thesis four studies were conducted to understand the impact of Heterobasidion spp. on Picea abies, Pinus sylvestris, and Larix × eurolepis in southern Sweden, and the efficacy of stump treatment against infection in order to economically assess control measures. The ability of secondary spread of H. READ MORE
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4. Healing of endosseous implants with different surface characteristics in grafted and non-grafted bone : clinical and experimental studies
Abstract : Aims: This study uses radiological and clinical evaluations of the healing of endosseous titanium implants presented with different surface characteristics in the clinical situation (paper I-III) and experimentally to describe the early bone healing in maxillary sinus membrane elevation with and without the use of grafting material (paper IV).Material and methods: In paper I, 136 patients were treated with 394 dental implants – 199 were oxidized titanium implants (Nobel Biocare TiUnite) and 195 were turned titanium surface implants (Nobel Biocare Mark III). READ MORE
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5. Hip arthroplasty : infections, thromboembolic events and surgical environment
Abstract : Background: Each year hip arthroplasties increase the quality of life for over 1 million patients worldwide. Although the complication rates are low, the absolute numbers are rising as the numbers of procedures increase. READ MORE