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Epidemiological and laboratory investigation of a zoonotic anthrax outbreak in West Bengal, India

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Title Epidemiological and laboratory investigation of a zoonotic anthrax outbreak in West Bengal, India
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Creator 17. Dandapat P, Chakrabarty A, Dey S, Nanda PK, Das SC, Dey S, Kurien A, Chakraborty A, Bandyopadhyay Samiran, Subhasish Bandyopadhyay, Singh RK
 
Subject Bacillus anthracis, outbreak, cattle, human, zoonotic West Bengal India
 
Description Worked as a team member
Objective: To investigate an anthrax outbreak affecting multi-species of animals includinghuman in five remote tribal villages in West Midnapur district, India, with no previous historyof anthrax cases for decades.Methods: A systematic epidemiological investigation, along with bacteriological examination,cultural isolation, biochemical and molecular characterization of the samples (blood, driedmeat, pieces of bones) was carried out to confirm diagnosis, identify transmission routes andrisk factors to recommend suitable control measures.Results: Samples from nine animals were confirmed for presence of Bacillus anthracis bycharacteristic morphology, biochemical profile, McFadyean reaction in blood smear, ‘medusahead’ appearance of colonies and PCR based detection of pXO1 plasmid. Epidemiologicalinvestigation revealed that the human patients contracted the infection during butchering orwhile handling contaminated animal products. In total, 14 animals died and 11 people gotinfected with cutaneous anthrax during the outbreak period.Conclusions: Anthrax continues to be a persisting problem in Indian subcontinent causingconsiderable morbidity and mortality in animals and human. Collaborative efforts of humanand animal health officials through various controlled measures viz., ring vaccination, earlytreatment of human cases, quarantine of affected animals, safe disposal of carcass and publichealth campaign effectively controlled the zoonotic anthrax outbreak.

(3) (PDF) Epidemiological and laboratory investigation of a zoonotic anthrax outbreak in West Bengal, India. Available from: https://www.researchgate.net/publication/320589042_Epidemiological_and_laboratory_investigation_of_a_zoonotic_anthrax_outbreak_in_West_Bengal_India#fullTextFileContent [accessed Apr 19 2023].
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Date 2023-05-30T04:10:14Z
2023-05-30T04:10:14Z
2017-11-01
 
Type Article
 
Identifier Not Available
ISSN: 2222-1808
http://krishi.icar.gov.in/jspui/handle/123456789/77868
 
Language English
 
Relation Not Available;
 
Publisher ScienceDirect