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Silva LSAD, Dias IHL, Fonseca ÁLS, Enk MJ, Nogueira JFC, Guimarães RJDPSE, Goveia CDO. Epidemiological profile of human toxocariasis in patients examined at Evandro Chagas Institute (IEC/SVSA/MS) between 2014 and 2019. Comp Immunol Microbiol Infect Dis 2024; 105:102112. [PMID: 38142560 DOI: 10.1016/j.cimid.2023.102112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/13/2023] [Accepted: 12/16/2023] [Indexed: 12/26/2023]
Abstract
INTRODUCTION Toxocariasis is caused by nematodes of Toxocara genus, which infest dogs and cats, with humans serving as paratenic hosts. METHODS The epidemiological profile of patients examined for toxocariasis between October 2014 and October 2019 at Evandro Chagas Institute (IEC) was outlined. The frequency of anti-T. canis IgG antibodies were evaluated using the Enzyme Linked Immunosorbent Assay (ELISA) method. RESULTS From a total of 734 samples, 56% were from male (p < 0.05). Regarding age, the group with the most solicitations were from ≤11 years old individuals (p < 0.05). Pará state had the highest number of exams requested (92%), with the majority from residents of urban areas, accounting for 81.5% of samples (p < 0.05). The overall toxocariasis seroprevalence was 41.8%, the male sex being the most frequent with 60.9% (p < 0.05). The most affected age group was ≤11 years old, with a total of 67.8% of positive samples (p < 0.05). CONCLUSION The high rates obtained emphasize the need for complementary studies on toxocariasis in Brazil, especially in Pará state, contributing to epidemiological surveillance actions in the control of this infection. Besides, health campaigns for domestic and stray animals, also can contribute to a more effective surveillance in controlling parasitic infections and encourages the One Health approach.
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Affiliation(s)
| | - Isabelle Helena Lima Dias
- Programa de Pós-Graduação em Biologia Parasitária na Amazônia (PPGBPA), Universidade do Estado do Pará (UEPA) 2623, Belém, PA, Brazil.
| | - Álvaro Luan Santana Fonseca
- Programa de Pós-Graduação em Biologia Parasitária na Amazônia (PPGBPA), Universidade do Estado do Pará (UEPA) 2623, Belém, PA, Brazil
| | - Martin Johannes Enk
- Laboratório de Parasitoses Intestinais e Esquistossomose, Instituto Evandro Chagas s/n, Ananindeua PA, Brazil
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Henke K, Ntovas S, Xourgia E, Exadaktylos AK, Klukowska-Rötzler J, Ziaka M. Who Let the Dogs Out? Unmasking the Neglected: A Semi-Systematic Review on the Enduring Impact of Toxocariasis, a Prevalent Zoonotic Infection. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:6972. [PMID: 37947530 PMCID: PMC10649795 DOI: 10.3390/ijerph20216972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/28/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023]
Abstract
Toxocariasis remains an important neglected parasitic infection representing one of the most common zoonotic infections caused by the parasite Toxocara canis or, less frequently, by Toxocara cati. The epidemiology of the disease is complex due to its transmission route by accidental ingestion of embryonated Toxocara eggs or larvae from tissues from domestic or wild paratenic hosts. Even though the World Health Organization and Centers for Disease Control classified toxocariasis amongst the top six parasitic infections of priority to public health, global epidemiological data regarding the relationship between seropositivity and toxocariasis is limited. Although the vast majority of the infected individuals remain asymptomatic or experience a mild disease, the infection is associated with important health and socioeconomic consequences, particularly in underprivileged, tropical, and subtropical areas. Toxocariasis is a disease with multiple clinical presentations, which are classified into five distinct forms: the classical visceral larva migrans, ocular toxocariasis, common toxocariasis, covert toxocariasis, and cerebral toxocariasis or neurotoxocariasis. Anthelmintic agents, for example, albendazole or mebendazole, are the recommended treatment, whereas a combination with topical or systemic corticosteroids for specific forms is suggested. Prevention strategies include educational programs, behavioral and hygienic changes, enhancement of the role of veterinarians, and anthelmintic regimens to control active infections.
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Affiliation(s)
- Katrin Henke
- Department of Internal Medicine, Thun Hospital, Krankenhausstrasse 12, 3600 Thun, Switzerland;
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, 3008 Bern, Switzerland; (S.N.); (A.K.E.); (J.K.-R.)
| | - Sotirios Ntovas
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, 3008 Bern, Switzerland; (S.N.); (A.K.E.); (J.K.-R.)
- Department of Visceral Surgery and Medicine, lnselspital, University Hospital, University of Bern, 3008 Bern, Switzerland
| | - Eleni Xourgia
- Department of Heart Surgery, lnselspital, University Hospital, University of Bern, 3008 Bern, Switzerland;
| | - Aristomenis K. Exadaktylos
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, 3008 Bern, Switzerland; (S.N.); (A.K.E.); (J.K.-R.)
| | - Jolanta Klukowska-Rötzler
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, 3008 Bern, Switzerland; (S.N.); (A.K.E.); (J.K.-R.)
| | - Mairi Ziaka
- Department of Internal Medicine, Thun Hospital, Krankenhausstrasse 12, 3600 Thun, Switzerland;
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, 3008 Bern, Switzerland; (S.N.); (A.K.E.); (J.K.-R.)
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