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Contemporary problems have been presented, related to pathogenesis, clinical pathology and epidemiology of leprosy. It has been stressed that intensity of cell mediated immune response in the patient determines not only resistance or susceptibility to infection with Mycobacterium leprae but also defines traits of clinical pathology in leprosy, thus providing the basis for modern clinical classification...
This paper is a comprehensive presentation of the role of ticks, especially those occurring in Poland, in the epidemiology of arthropod-borne diseases. Following paragraphs review briefly principal diseases of viral, rickettsial and bacterial etiology with emphasis on natural circulation of pathogens between ticks serving as vectors and various vertebrates which function as tick hosts and pathogen...
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