Journal
FOLIA MICROBIOLOGICA
Volume 66, Issue 1, Pages 1-14Publisher
SPRINGER
DOI: 10.1007/s12223-020-00827-z
Keywords
Francisella tularensis; Tularemia; Vector-borne infection
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Tularemia is a bacterial disease caused by Francisella tularensis, which has seen an increase in human cases worldwide. The disease is transmitted by vectors such as mosquitoes, horseflies, deer flies, and ticks, and humans can become infected through various avenues. Tularemia presents in different clinical forms, with established methods for diagnosis and treatment, but the lack of a licensed vaccine remains a challenge for prevention.
Tularemia is a bacterial disease of humans, wild, and domestic animals.Francisella tularensis, which is a Gram-negative coccobacillus-shaped bacterium, is the causative agent of tularemia. Recently, an increase in the number of human tularemia cases has been noticed in several countries around the world. It has been reported mostly from North America, several Scandinavian countries, and certain Asian countries. The disease spreads through vectors such as mosquitoes, horseflies, deer flies, and ticks. Humans can acquire the disease through direct contact of sick animals, consumption of infected animals, drinking or direct contact of contaminated water, and inhalation of bacteria-loaded aerosols. Low infectious dose, aerosol route of infection, and its ability to induce fatal disease make it a potential agent of biological warfare. Tularemia leads to several clinical forms, such as glandular, ulceroglandular, oculoglandular, oropharyngeal, respiratory, and typhoidal forms. The disease is diagnosed through the use of culture, serology, or molecular methods. Quinolones, tetracyclines, or aminoglycosides are frequently used in the treatment of tularemia. No licensed vaccine is available in the prophylaxis of tularemia and this is need of the time and high-priority research area. This review mostly focuses on general features, importance, current status, and preventive measures of this disease.
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