Tungiasis: Participation of Cats and Chickens in the Dispersion and Maintenance of the Disease in an Endemic Tourist Area in Brazil

Author:

Teixeira Jamille Bispo de Carvalho1ORCID,dos Santos Katharine Costa1,Guedes Paula Elisa Brandão1,Vitor Rebeca Costa1,Bitar Thammy Vieira2,Harvey Tatiani Vitor3,Sevá Anaiá da Paixão1ORCID,Carlos Renata Santiago Alberto1

Affiliation:

1. Programa de Pós-Graduação em Ciência Animal—PPGCA, Departamento de Ciências Agrárias e Ambientais (DCAA), Universidade Estadual de Santa Cruz (UESC), Ilhéus 45662-900, Bahia, Brazil

2. Departamento de Ciências Agrárias e Ambientais (DCAA), Curso de Medicina Veterinária, Universidade Estadual de Santa Cruz (UESC), Ilhéus 45662-900, Bahia, Brazil

3. Veterinarian, College Station, TX 77845, USA

Abstract

Tunga spp. are fleas commonly found in impoverished tropical regions. In Vila Juerana, a tourist community in Ilheus, Bahia, Brazil, where tungiasis is endemic, dogs are the main host of fleas during their life cycle. However, there is no information about the role of cats and chickens in tungiasis in the village. Of the 272 households investigated, 112 had domestic animals, 48 had only dogs, 28 had only cats, and nine had only chickens. Of the 27 households with cohabitation among species, 16 had cats and dogs, eight had chickens and dogs, and three had dogs, cats, and chickens. The injuries due to tungiasis were ranked according to the Fortaleza classification, considering stages I, II, and III as viable lesions. The paws/feet of 71/111 (63.9%) cats and 173/439 (39.4%) chickens were inspected. Dogs that lived with positive cats and chickens also were inspected. Among the 38% (27/7; 95% IC 26.74–49.32) positive cats, 16 cohabited houses with infected dogs but none lived with positive chickens. Of the chickens, 2.3% (4/173; 95% IC 0.07–4.5) had lesions caused by tungiasis. In each household where a cat was infected, the dog was also positive. Two chickens cohabited with an infected dog and the other two did not coexist with other species. Cohabitation with infected dogs and the absence of house confinement restrictions in Vila Juerana make cats important carriers that spread tungiasis in this community. Chickens had a low frequency of tungiasis lesions despite living in proximity to infected dogs and cats.

Funder

State University of Santa Cruz

Bahia State Research Support Foundation

Coordination for the Improvement of Higher Education Personnel—Brazil

Publisher

MDPI AG

Subject

Infectious Diseases,Public Health, Environmental and Occupational Health,General Immunology and Microbiology

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