Search for dissertations about: "costs of immune responses"
Showing result 1 - 5 of 7 swedish dissertations containing the words costs of immune responses.
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1. Costs and benefits of immune system activation on physiology, behavior and offspring phenotype from an immunoecological perspective
Abstract : Pathogen challenges and host immune defenses can have substantial impact on life history patterns of animals. Biotic and abiotic factors may affect immunity in wild animals, influencing e.g., population dynamics and sexual selection. READ MORE
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2. MHC polymorphism in a songbird : Fitness, mate choice, and sexual conflict
Abstract : Sex differences in immune responses have been observed across a wide range of animal species, with the generaltendency that males have weaker immune responses than females. These differences are at least partly caused by immune-regulating effects of sex hormones, and have been associated with an increased prevalence of autoimmune disorders in females and with a general tendency for males to be parasitized more often than females. READ MORE
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3. Development of novel vaccine strains of Vibrio cholerae and studies on the role of serotype in epidemic spread of cholera
Abstract : Cholera, caused by bacterium Vibrio cholerae O1, is a severe diarrheal disease with an estimated 3-5 million cases and more than 140 000 deaths every year particularly affecting children under 5 years of age. It can be found all over the world and often causes cholera in places where access to clean water or proper sanitary facilities are limited or compromised. READ MORE
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4. Gastrointestinal norovirus infections and the development of the next generation of mucosal vaccines
Abstract : Human norovirus (HuNoV) is the causative agent of the winter vomiting disease and the leading cause of outbreaks of gastrointestinal infections across all settings and age groups in the world. The virus is highly contagious making outbreaks difficult or often impossible to control and having a high impact on societal costs and resources. READ MORE
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5. Development of vaccines and mouse models for chronic hepatitis C virus infection
Abstract : Chronic hepatitis C virus (HCV) infection is a major causative agent for severe liver disease and cancer worldwide. Globally, it is estimated that approximately 185 million people are infected with HCV and 130-170 million of these are chronic carriers of the virus (1, 2). READ MORE