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Ossa-López PA, Ramírez-Chaves HE, Rivera-Páez FA. Pathogens associated with ticks (Acari: Ixodidae) and mammals in the Orinoquia region of Colombia: An approach to understanding vector-pathogen-host interactions. Acta Trop 2024; 256:107282. [PMID: 38861832 DOI: 10.1016/j.actatropica.2024.107282] [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: 04/13/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/13/2024]
Abstract
The hard tick clade (Ixodidae) currently comprises 762 species worldwide (266 Prostriata and 496 Metastriata). A quarter of hard ticks are found in the Neotropical region, and 42 species have been documented in Colombia. Ixodidae species are important vectors of pathogens such as bacteria, helminths, protozoa, and viruses. In tick-borne diseases, vertebrate hosts perform an important role in the transmission, maintenance, and spread of pathogens. Colombia ranks sixth among countries with the highest mammal biodiversity, with a total of 548 species, where some of these species may be involved in pathogen transmission cycles with ticks as vectors. This research evaluated the presence of two genera of bacteria (Borrelia and Rickettsia) and the protozoan (Babesia) in ticks and mammals in the Orinoquia region of Colombia, establishing interaction networks. The information comes from 734 mammals (655 wild and 79 domestic), belonging to 59 species. Tick infestation (n = 1,805) was found with 14.85 % (n = 109) of the examined mammals and corresponds to nine tick species confirmed morphologically and molecularly. To detect pathogens 272 ticks were collected while feeding on 96 mammals; samples from 93 mammals were analyzed. The presence of borreliae from the relapsing fever group (RFG) and the Lyme disease group (LDG) were detected. Rickettsia spp. was detected in ticks and mammals, while Babesia bigemina was only detected in ticks. This research is the first to address the prevalence of zoonotic pathogens in domestic and wild mammals infested with hard ticks in the Department of Arauca, Colombia. Considering that reporting cases of infections with Babesia, Borrelia, and Rickettsia in Colombia is not mandatory, their impact on public health cannot be estimated. This highlights the importance of continuously detecting, confirming, and identifying these and other important pathogens within the "One Health" framework, as they have a significant economic and medical-veterinary impact globally.
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Affiliation(s)
- Paula A Ossa-López
- Doctorado en Ciencias, Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10, 170004, Manizales, Caldas, Colombia; Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10, 170004, Manizales, Caldas, Colombia
| | - Héctor E Ramírez-Chaves
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10, 170004, Manizales, Caldas, Colombia; Centro de Museos, Museo de Historia Natural, Universidad de Caldas, Calle 58 No. 21-50, 170004, Manizales, Caldas, Colombia
| | - Fredy A Rivera-Páez
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10, 170004, Manizales, Caldas, Colombia.
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Gual-Gonzalez L, Cantillo-Barraza O, Torres ME, Quintero-Vélez JC, Medina M, Self SCW, Nolan MS. Antibody Seroprevalence to Spotted Fever Group Rickettsiae in Miraflores, Colombia: A Cross-Sectional Study in Humans and Dogs. Am J Trop Med Hyg 2024; 110:1245-1252. [PMID: 38593790 PMCID: PMC11154037 DOI: 10.4269/ajtmh.23-0593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/25/2024] [Indexed: 04/11/2024] Open
Abstract
Tick-borne disease burdens are increasing globally, impacting mostly rural and vulnerable communities. Among the most important emerging tick-borne pathogens are the Rickettsia species within the spotted fever group (SFGR) because of their genetic diversity and high lethality rate. Colombia is highly affected by SFGR despite not being reportable diseases; thus, research and clinical management are neglected. Although some departments have demonstrated high seroprevalence rates, in others, such as Boyacá Department, seroprevalence is unknown. Rickettsioses have not been described in Boyacá since 1943, and conversations with local physicians raised suspicions of recent undiagnosed disease compatible with rickettsiosis in some rural areas of the department, warranting epidemiological investigation. Using biobanked human and canine samples from a previous 2021 vector-borne disease study in Miraflores municipality, Boyacá, we had an opportunity to unearth SFGR's exposure in the region. Samples were evaluated using IgG indirect fluorescent assays against SFGR and complemented by survey questionnaires evaluating associated factors. Findings yielded first-time SFGR serological evidence in Boyacá with a 26.5% seroprevalence among dogs and a 20.4% among humans. Human and dog seroprevalences were positively associated, suggesting the presence of domestic transmission. Owning a greater number of domestic animals (prevalence ratio adjusted for all measured factors [aPR], 1.52) and living near crop fields (aPR, 7.77) were associated with an increased likelihood of household seropositivity. Our findings are consistent with the literature in Colombia, uncovering a suspected region where the disease is endemic. Future studies are warranted to continue defining high-risk areas to determine public health intervention plans.
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Affiliation(s)
- Lídia Gual-Gonzalez
- Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina
| | - Omar Cantillo-Barraza
- Grupo Biología y Control Enfermedades Infecciosas, Universidad de Antioquia, Medellín, Colombia
| | - Myriam E. Torres
- Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina
| | | | - Manuel Medina
- Unidad de Control de Enfermedades Transmitidas por Vectores, Secretaría de Salud de Boyacá, Tunja, Colombia
| | - Stella C. W. Self
- Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina
| | - Melissa S. Nolan
- Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina
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Oakley R, Kann S, Concha G, Plag M, Poppert S, Graves S, Paris DH, Dreyfus A. Seroprevalence of Rickettsia Spp. and Orientia tsutsugamushi in Indigenous Populations from the Sierra Nevada de Santa Marta, Colombia. Vector Borne Zoonotic Dis 2024. [PMID: 38742967 DOI: 10.1089/vbz.2023.0077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024] Open
Abstract
Background: Rickettsia spp. are vector-borne zoonotic pathogens that cause febrile illness in humans. Rickettsioses is not included in the Colombian national surveillance system and is subsequently expected to be underreported. This cross-sectional study aimed to determine the seroprevalence of Rickettsia spp. and the closely related Orientia tsutsugamushi in two indigenous populations residing in the Sierra Nevada de Santa Marta, Colombia. Materials and Methods: Serum samples (n = 539) were collected from the Wiwa and Koguis people between 2021 and 2022. Serum samples were screened for spotted fever group (SFG) and typhus group (TG) Rickettsia spp. using the Fuller laboratories Rickettsia IgG IFA kit and for O. tsutsugamushi with the Scrub Typhus Detect™ IgG ELISA. Results: We observed an overall seroprevalence of 26.2% (95% confidence interval [CI] 22.5-30.1] for Rickettsia spp. of the SFG, 5.4% (95% CI 3.6-7.6) for Rickettsia spp. of the TG and 4.3% (95% CI 2.7-6.3) for O. tsutsugamushi. Common risk factors for zoonotic disease infections were assessed for 147 of the Wiwa participants. Increased odds of seropositivity for SFG Rickettsia spp. were observed for Wiwa participants who cared for livestock, including assisting with the birth of cattle (odds ratio [OR] = 8.85; 95% CI 1.54-50.90; p = 0.015) and goats (OR = 7.60; 95% CI 1.70-33.90; p = 0.008). Conclusions: These results highlight a notable exposure to Rickettsia spp., especially the SFG, in rural Colombia. Together with recent reports of high mortality for Rocky Mountain Spotted Fever in nearby regions of South America, more detailed investigations focusing on improving knowledge and awareness as well as "One Health" and "causes-of-fever" studies are needed. The characterization of Rickettsia spp. infections in humans, livestock, and tick vectors with their potential transmission routes could make a high impact on these easily treatable diseases.
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Affiliation(s)
- Regina Oakley
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | | | - Gustavo Concha
- Organización Wiwa Yugumaiun Bunkuanarua Tairona, Valledupar, Colombia
| | - Michèle Plag
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | - Sven Poppert
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | - Stephen Graves
- Australian Rickettsial Reference Laboratory, Geelong, Australia
| | - Daniel H Paris
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | - Anou Dreyfus
- Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
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Torres-Bustamante M, Cantillo-Barraza O, Ko AI, Wunder EA, Quintero-Vélez JC. Eco-epidemiological study of seropositivity against Rickettsia and Leptospira agents in rural areas of Urabá, Colombia. RESEARCH SQUARE 2024:rs.3.rs-3760267. [PMID: 38260656 PMCID: PMC10802693 DOI: 10.21203/rs.3.rs-3760267/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Rickettsioses and leptospirosis are infectious diseases that are often underdiagnosed due to a lack of knowledge about their epidemiology, pathophysiology, diagnosis, management, among others. Objetive to characterize the seroprevalence and seroincidence of both Rickettsia and Leptospira agents and determine the risk factors for these outcomes in rural areas of Urabá, Antioquia. Methods a secondary data analysis using information on Rickettsia and Leptospira exposure from a prior prospective study that explored sociocultural and ecological aspects of Rickettsia infection in rural Urabá, Colombia. A multinomial mixed logistic regression model was employed to analyze factors linked to seroprevalent cases of Rickettsia, Leptospira and both, along with descriptive analyses of seroincident cases. Results the concomitant seroprevalence against Rickettsiaand Leptospira was 9.38% [95%CI 6.08%-13.37%] (56/597). The factors associated with this seroprevalence were age (ORa= 1.02 [95%CI 1.007-1.03]), male gender (ORa= 3.06 [95%CI 1.75-5.37]), fever history (ORa= 1.71 [95%CI 1.06-2.77]) the presence of breeding pigs (ORa= 2.29 [95%CI 1.36-3.88]), peridomicile yucca crops(ORa= 2.5 [95%CI 1.1-5.62]), and deforestation practices(ORa= 1.74 [95%CI 1.06-2.87]). The concomitant seroincidence against Rickettsia and Leptospira was 1.09% (3/274) [95%CI 0.29%-4.05%], three cases were female, with a median age of 31.83 years-old (IQR 8.69-56.99). At the household level, all the seroincident cases had households built partially or totally with soil floors, wooden walls, and zinc roofs. Two seroincident cases described the presence of equines, canines, and domestic chickens in intra or peri-domicile. Finally, two cases were exposed to synanthropic rodents, and one case to tick infestation. Conclusion there is evidence of seroprevalent and seroincident cases of seropositivity against both Rickettsia and Leptospira in rural areas of Urabá, Colombia. These findings can help improve public health surveillance systems in preventing, detecting, and attending to the different clinical cases caused by these pathogens.
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Silva-Ramos CR, Gil-Mora J, Serna-Rivera CC, Martínez Díaz HC, Restrepo-López N, Agudelo-Flórez P, Arboleda M, Díaz FJ, Faccini-Martínez ÁA, Hidalgo M, Melby PC, Aguilar PV, Cabada MM, Tobón-Castaño A, Rodas JD. Etiological characterization of acute undifferentiated febrile illness in Apartadó and Villeta municipalities, Colombia, during COVID-19 pandemic. LE INFEZIONI IN MEDICINA 2023; 31:517-532. [PMID: 38075419 PMCID: PMC10705856 DOI: 10.53854/liim-3104-11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/02/2023] [Indexed: 03/28/2024]
Abstract
Background Acute undifferentiated febrile illness (AUFI) is one of the leading causes of illness in tropical regions. Although malaria is the most important cause, other pathogens such as Dengue (DENV), Leptospira and recently, Coronavirus Disease 2019 (COVID-19) have gained importance. In Colombia, few studies aimed to identify the etiology of AUFI. Most of them performed in Apartadó and Villeta municipalities, identifying the active circulation of several pathogens. Thus, we conducted a cross-sectional study in these municipalities to characterize the etiologies of AUFI during COVID-19 pandemic. Methods An active surveillance was conducted between September and December 2021 in local hospitals of Apartadó and Villeta municipalities. Febrile patients were enrolled after voluntarily agreeing to participate in the study. Ten different etiologies were evaluated through direct, serological, molecular and rapid diagnostic methods. Results In Apartadó a confirmed etiology was found in 60% of subjects, DENV (25%) being the most frequent, followed by leptospirosis (16.7%), malaria (10%), COVID-19 (8.3%), spotted fever group (SFG) rickettsiosis (6.7%) and Chikungunya (1.7%). In Villeta, a specific etiology was confirmed in 55.4% of patients, of which SFG rickettsiosis (39.3%) was the most frequent, followed by leptospirosis (21.4%), DENV (3.6%) and malaria (1.8%). No cases due to Mayaro, Yellow Fever, Oropouche and Venezuelan Equine Encephalitis viruses were detected. Conclusion We confirm the relevance of dengue fever, leptospirosis, SFG rickettsiosis, COVID-19 and malaria as causes of AUFI in the municipality of Apartadó, and highlight the great importance of SFG rickettsiosis as the main cause of AUFI in the municipality of Villeta.
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Affiliation(s)
- Carlos Ramiro Silva-Ramos
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Juliana Gil-Mora
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Cristian C. Serna-Rivera
- Grupo de Investigación en Ciencias Veterinarias Centauro, Universidad de Antioquia, Medellín, Colombia
| | - Heidy-C. Martínez Díaz
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Nicaela Restrepo-López
- Grupo de Investigación en Ciencias Veterinarias Centauro, Universidad de Antioquia, Medellín, Colombia
| | - Piedad Agudelo-Flórez
- Grupo de Investigación en Ciencias Básicas, Escuela de Graduados, Universidad CES, Medellín, Colombia
| | - Margarita Arboleda
- Instituto Colombiano de Medicina Tropical, Universidad CES, Medellín, Colombia
| | - Francisco J. Díaz
- Grupo de Inmunovirología, Universidad de Antioquia, Medellin,Colombia
| | - Álvaro A. Faccini-Martínez
- Servicio de Infectología, Hospital Militar Central, Bogotá, Colombia
- Servicios y Asesorías en Infectología - SAI, Bogotá, Colombia
- Facultad de Medicina, Universidad Militar Nueva Granada, Bogotà, Colombia
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Peter C. Melby
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas, USA
- Center for Tropical Diseases, University of Texas Medical Branch, Galveston, Texas, USA
| | - Patricia V. Aguilar
- Center for Tropical Diseases, University of Texas Medical Branch, Galveston, Texas, USA
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Miguel M. Cabada
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas, USA
- Center for Tropical Diseases, University of Texas Medical Branch, Galveston, Texas, USA
| | | | - Juan David Rodas
- Grupo de Investigación en Ciencias Veterinarias Centauro, Universidad de Antioquia, Medellín, Colombia
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Chaparro-Gutiérrez JJ, Acevedo-Gutiérrez LY, Mendell NL, Robayo-Sánchez LN, Rodríguez-Durán A, Cortés-Vecino JA, Fernández D, Ramírez-Hernández A, Bouyer DH. First isolation of Rickettsia amblyommatis from Amblyomma mixtum in Colombia. Parasit Vectors 2023; 16:332. [PMID: 37730727 PMCID: PMC10510177 DOI: 10.1186/s13071-023-05950-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/27/2023] [Indexed: 09/22/2023] Open
Abstract
BACKGROUND Rickettsiae are obligate intracellular Gram-negative bacteria that are the causative agent of rickettsioses and are spread to vertebrate hosts by arthropods. There are no previous reports of isolation of Rickettsia amblyommatis for Colombia. METHODS A convenience sampling was executed in three departments in Colombia for direct collection of adult ticks on domestic animals or over vegetation. Ticks were screened for the presence of Rickettsia spp. by real-time polymerase chain reaction (qPCR) amplifying the citrate synthase gene (gltA), and the positive sample was processed for isolation and further molecular characterization by conventional PCR. The absolute and relative frequencies were calculated for several tick species variables. All products from conventional PCR were further purified and sequenced by the Sanger technique. Representative sequences of 18 Rickettsia species were downloaded from GenBank. Consensus phylogenetic trees were constructed for the gltA, ompB, ompA, and htrA genes with 1000 replicates, calculating bootstrap values through the maximum likelihood method and the generalized time reversible substitution model in the MEGA 7.0 software program. RESULTS One female Amblyomma mixtum collected on vegetation was amplified by qPCR (gltA), indicating a frequency of 1.6% (1/61) for Rickettsia spp. INFECTION Sequence analysis of a rickettsial isolate from this tick in BLASTn showed 100% identity with gltA (340 base pairs [bp]), 99.87% for ompB (782 bp), 98.99% for htrA (497 bp), and 100% for ompA (488 bp) to R. amblyommatis. Concatenated phylogenetic analysis confirmed these findings indicating that the isolate is grouped with other sequences of Amblyomma cajennense complex from Panama and Brazil within the R. amblyommatis clade. CONCLUSIONS This paper describes the isolation and early molecular identification of a R. amblyommatis strain from A. mixtum in Colombia.
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Affiliation(s)
| | - Leidy Y Acevedo-Gutiérrez
- Department of Agricultural Sciences, Faculty of Veterinary Medicine, Lasallian University Corporation (Unilasallista), GIVET Research Group, Caldas, Antioquia, Colombia
- Department of Pathology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77550, USA
| | - Nicole L Mendell
- Department of Pathology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77550, USA
| | - Laura N Robayo-Sánchez
- Research Group Veterinary Parasitology, Laboratorio de Parasitología Veterinaria, Universidad Nacional de Colombia, UNAL, Bogotá, Colombia
| | - Arlex Rodríguez-Durán
- Research Group Veterinary Parasitology, Laboratorio de Parasitología Veterinaria, Universidad Nacional de Colombia, UNAL, Bogotá, Colombia
| | - Jesús A Cortés-Vecino
- Research Group Veterinary Parasitology, Laboratorio de Parasitología Veterinaria, Universidad Nacional de Colombia, UNAL, Bogotá, Colombia
| | - Diana Fernández
- Department of Pathology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77550, USA
| | - Alejandro Ramírez-Hernández
- Department of Pathology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77550, USA
- Universidad de La Salle, Bogotá, D.C., Colombia
| | - Donald H Bouyer
- Department of Pathology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77550, USA.
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Silva-Ramos CR, Faccini-Martínez ÁA, Serna-Rivera CC, Mattar S, Hidalgo M. Etiologies of Zoonotic Tropical Febrile Illnesses That Are Not Part of the Notifiable Diseases in Colombia. Microorganisms 2023; 11:2154. [PMID: 37763998 PMCID: PMC10535066 DOI: 10.3390/microorganisms11092154] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/15/2023] [Accepted: 06/15/2023] [Indexed: 09/29/2023] Open
Abstract
In Colombia, tropical febrile illnesses represent one of the most important causes of clinical attention. Febrile illnesses in the tropics are mainly zoonotic and have a broad etiology. The Colombian surveillance system monitors some notifiable diseases. However, several etiologies are not monitored by this system. In the present review, we describe eleven different etiologies of zoonotic tropical febrile illnesses that are not monitored by the Colombian surveillance system but have scientific, historical, and contemporary data that confirm or suggest their presence in different regions of the country: Anaplasma, Arenavirus, Bartonella, relapsing fever group Borrelia, Coxiella burnetii, Ehrlichia, Hantavirus, Mayaro virus, Orientia, Oropouche virus, and Rickettsia. These could generate a risk for the local population, travelers, and immigrants, due to which they should be included in the mandatory notification system, considering their importance for Colombian public health.
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Affiliation(s)
- Carlos Ramiro Silva-Ramos
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia;
| | - Álvaro A. Faccini-Martínez
- Servicio de Infectología, Hospital Militar Central, Bogotá 110110, Colombia;
- Servicios y Asesorías en Infectología—SAI, Bogotá 110110, Colombia
| | - Cristian C. Serna-Rivera
- Grupo de Investigación en Ciencias Veterinarias (CENTAURO), Línea de Investigación Zoonosis Emergentes y Re-Emergentes, Facultad de Ciencias Agrarias, Universidad de Antioquia, Medellín 050034, Colombia;
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Manizales 170004, Colombia
| | - Salim Mattar
- Instituto de Investigaciones Biológicas del Trópico, Universidad de Córdoba, Montería 230001, Colombia;
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia;
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Yaya-Lancheros N, Polo-Terán LJ, Faccini-Martínez ÁA, Hidalgo-Díaz M. [Epidemiological surveillance system for the acute febrile syndrome in Villeta, Colombia]. Rev Salud Publica (Bogota) 2023; 21:340-348. [PMID: 36753179 DOI: 10.15446/rsap.v21n3.56122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 03/29/2019] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE To generate a preliminary proposal of an integral surveillance system for the acute febrile syndrome in Villeta municipality, Cundinamarca department, with the goal to establish a collection processes and data capture in the presentation of human and animal cases. MATERIALS AND METHODS A database was generated from a cross-sectional retrospective study of 40 sheets of mandatory reporting for suspected dengue patients collected during October 2011 and March 2013 from Hospital Salazar of Villeta. These data were analyzed by the Epiinfo 7 program. Also, because of the evidence of leptospirosis and rickettsial circulation in this municipality and whereas these etiologies are zoonotic, an adaptation was made regarding the event in dogs. These results allowed to design the proposed system, including operational surveillance case definitions for febrile etiologies, action algorithms and reporting tools. RESULTS Sixty percent of people who consulted for febrile syndrome belonged to the county seat. 30% of patients were under 10 years. Fever (98%), myalgia (85%), headache (75%) and arthralgia (65%) were the symptoms reported with more frequency. The largest number of cases occurred in September, 2012. The proposed system of syndromic surveillance will strengthen surveillance considering four components: human, animal, community and environmental by facilitating the opportune identification and treatment of cases of acute febrile illnesses. CONCLUSION The syndromic surveillance system allows to relate comprehensively febrile illnesses with common signs, making the reporting process more efficient.
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Affiliation(s)
- Néstor Yaya-Lancheros
- NY: MDV. Facultad de Medicina, Veterinaria, y de Zootecnia, Universidad Nacional de Colombia. Bogotá, Colombia.
| | - Luis J Polo-Terán
- LP: MDV. M. Sc. Salud Pública, Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia. Bogotá, Colombia.
| | - Álvaro A Faccini-Martínez
- AF: M.D, M.Sc. Ph.D en Enfermedades Infecciosas. Comité de Medicina Tropical, Zoonosis y Medicina del Viajero, Asociación Colombiana de Infectología. Bogotá, Colombia.
| | - Marylin Hidalgo-Díaz
- MH: Bacterióloga. M. Sc. Ciencias. Ph.D. en Ciencias Biológicas. Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana. Bogotá, Colombia.
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Bonilla-Aldana DK, Castaño-Betancourt KJ, Ortega-Martínez JM, Ulloque-Badaracco JR, Hernandez-Bustamante EA, Benites-Zapata VA, Rodriguez-Morales AJ. Prevalence of zoonotic and non-zoonotic Rickettsia in horses: A systematic review and meta-analysis. New Microbes New Infect 2022; 51:101068. [PMID: 36632173 PMCID: PMC9827057 DOI: 10.1016/j.nmni.2022.101068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
In a broad sense, Rickettsiae are a group of microorganisms that can be transmitted mechanically or biologically to animals and humans. Rickettsioses are associated with hematic manifestations. Its prevalence in humans, dogs and other animals has been widely explored, but not in equine species. To determine the prevalence of Rickettsia infection in horses. A systematic review of the literature was carried out in five databases for the proportion of horses infected with Rickettsia, defined by molecular and immunological techniques. A meta-analysis was performed using a random-effects model to calculate the pooled prevalence and 95% confidence intervals (CI). The Cochran's Q test and the I2 statistic were used to assess the between-study-heterogeneity. The pooled prevalence of Rickettsia in equines was 37.0% (95% CI: 26.0%-47.0%), with significant heterogeneity among studies (I2 = 98.12%). In the subgroup analysis, the prevalence of Rickettsia in horses was found to be 24.0% (95%CI: 10.0%-41.0%) for IFI, 47.0% (95%CI: 30.0%-64.0%) for IFA, 14.0% (95%CI: 11.0%-17.0%) for IFAT and 39.0% (95%CI: 0.0%-95.0%) for PCR. There was a high prevalence of Rickettsia among horses, with some of the species being zoonotic, with their corresponding implications for humans, which increasingly are in close contact with equines, particularly horses and their ticks, posing a risk for spillover and transmission.
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Affiliation(s)
- D. Katterine Bonilla-Aldana
- Research Unit, Universidad Continental, Huancayo, Peru,Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) - Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
| | - Karen Johana Castaño-Betancourt
- Faculty of Veterinary Medicine, Fundación Universitaria Autónoma de Las Américas – Institución Universitaria Visión de Las Américas, Pereira, Risaralda, Colombia
| | - Juan Manuel Ortega-Martínez
- Faculty of Veterinary Medicine, Fundación Universitaria Autónoma de Las Américas – Institución Universitaria Visión de Las Américas, Pereira, Risaralda, Colombia
| | | | - Enrique A. Hernandez-Bustamante
- Sociedad Científica de Estudiantes de Medicina de La Universidad Nacional de Trujillo, Trujillo, Peru,Grupo Peruano de Investigación Epidemiológica, Unidad de Investigación para La Generación y Síntesis de Evidencias en Salud, Universidad San Ignacio de Loyola, Lima, Peru
| | - Vicente A. Benites-Zapata
- Grupo Peruano de Investigación Epidemiológica, Unidad de Investigación para La Generación y Síntesis de Evidencias en Salud, Universidad San Ignacio de Loyola, Lima, Peru,Corresponding author.
| | - Alfonso J. Rodriguez-Morales
- Faculty of Health Sciences, Universidad Científica Del Sur, Lima, Peru,Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de Las Américas – Institución Universitaria Visión de Las Américas, Pereira, Risaralda, Colombia,Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut P.O. Box 36, Lebanon,Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) - Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
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Duncan KT, Sundstrom KD, Hunt D, Lineberry MW, Grant A, Little SE. Survey on the Presence of Equine Tick-Borne Rickettsial Infections in Southcentral United States. J Equine Vet Sci 2022; 118:104135. [DOI: 10.1016/j.jevs.2022.104135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/22/2022] [Accepted: 09/30/2022] [Indexed: 11/08/2022]
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Comparison of the Serion IgM ELISA and Microscopic Agglutination Test for diagnosis of Leptospira spp. infections in sera from different geographical origins and estimation of Leptospira seroprevalence in the Wiwa indigenous population from Colombia. PLoS Negl Trop Dis 2022; 16:e0009876. [PMID: 35666764 PMCID: PMC9223614 DOI: 10.1371/journal.pntd.0009876] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 06/23/2022] [Accepted: 04/22/2022] [Indexed: 11/23/2022] Open
Abstract
Leptospirosis is among the most important zoonotic diseases in (sub-)tropical countries. The research objective was to evaluate the accuracy of the Serion IgM ELISA EST125M against the Microscopic Agglutination Test (MAT = imperfect reference test); to assess its ability to diagnose acute leptospirosis infections and to detect previous exposure to leptospires in an endemic setting. In addition, to estimate the overall Leptospira spp. seroprevalence in the Wiwa indigenous population in North-East Colombia. We analysed serum samples from confirmed leptospirosis patients from the Netherlands (N = 14), blood donor sera from Switzerland (N = 20), and sera from a cross-sectional study in Colombia (N = 321). All leptospirosis ELISA-positive, and a random of negative samples from Colombia were tested by the MAT for confirmation. The ELISA performed with a sensitivity of 100% (95% CI 77% - 100%) and a specificity of 100% (95% CI 83% - 100%) based on MAT confirmed Leptospira spp. positive and negative samples. In the cross-sectional study in Colombia, the ELISA performed with a sensitivity of 100% (95% CI 2–100%) and a specificity of 21% (95% CI 15–28%). Assuming a 5% Leptospira spp. seroprevalence in this population, the positive predictive value was 6% and the negative predictive value 100%. The Leptospira spp. seroprevalence in the Wiwas tested by the ELISA was 39%; however, by MAT only 0.3%. The ELISA is suitable to diagnose leptospirosis in acutely ill patients in Europe several days after onset of disease. For cross-sectional studies it is not recommended due to its low specificity. Despite the evidence of a high leptospirosis prevalence in other study areas and populations in Colombia, the Wiwa do not seem to be highly exposed to Leptospira spp.. Nevertheless, leptospirosis should be considered and tested in patients presenting with febrile illness. Leptospirosis is among the most important zoonotic diseases in (sub-)tropical countries. The correct diagnosis of leptospirosis is very important to take a medical or public health decision. Therefore, we tested a serological test (ELISA) for its ability to correctly diagnose a negative sample as truly negative and a positive sample as truly positive. We tested the ELISA with European acute leptospirosis confirmed positive and negative samples and compared results with another serological test (microscopic agglutination test), which is the recognized reference test. Further, the ELISA was assessed for its ability to detect previous exposure to leptospires in serum samples from the indigenous Wiwa population from Colombia, where leptospirosis is expected to be endemic. The ELISA performed very well with sera from patients with acute leptospirosis, however had difficulties to diagnose negative samples as truly negative in the Colombian field samples; hence unexposed persons were falsely diagnosed to be positive. Therefore, we recommend using the ELISA to detect acute leptospirosis several days after onset of illness in a non-endemic environment, but are not convinced of its usefulness to screen a population for previous Leptospira spp. exposure.
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Zapata-Serna Y, Rojas-Rodríguez AE, Pérez-Cárdenas JE, Aricapa-Giraldo HJ, Hidalgo-Diaz M, Rivera-Páez FA. Prevalence of rickettsias in ticks (Acari: Ixodidae) collected in domestic animals of the northern region of Caldas department, Colombia. REVISTA U.D.C.A ACTUALIDAD & DIVULGACIÓN CIENTÍFICA 2022. [DOI: 10.31910/rudca.v25.n1.2022.1850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Segura JA, Saldarriaga LJ, Cerón JM, Osorio LR, Rueda ZV, Gutiérrez LA. Hard tick species (Acari: Ixodidae) and infestation in two livestock agroecosystems from Antioquia, Colombia. EXPERIMENTAL & APPLIED ACAROLOGY 2022; 86:235-255. [PMID: 35142954 DOI: 10.1007/s10493-022-00695-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Tick infestation affects about 80% of livestock globally while transmitting various pathogens causing high economic losses. This study aimed to determine the degree of tick infestation in two regions, North and Middle Magdalena in Antioquia, Colombia, to identify the ixodid tick species found and the associated risk factors. A cross-sectional study was carried out in 48 farms distributed in six municipalities of Antioquia. Two paddocks and eight bovines per farm were evaluated to estimate tick infestation (adults, nymphs, and larvae). Tick species were identified through a morphological and molecular analysis based on partial sequences of data obtained from DNA molecular markers, two mitochondrial (16S rRNA and COI), and one genomic DNA gene (18S rRNA). A multivariate Poisson regression model was applied to estimate the associated risk factors with ticks in cattle. Rhipicephalus microplus, Amblyomma patinoi and Dermacentor nitens were present in the livestock agroecosystems in the Middle Magdalena region; the highest incidence of tick infestation in cows and paddocks was reported in the municipality of Puerto Triunfo. The livestock agroecosystems in Middle Magdalena were characterized by a higher presence of adult R. microplus in cattle. Larval infestation of R. microplus, followed by D. nitens, was also found in paddocks. The multivariate analysis showed that the origin of cattle was the main risk factor associated with the presence of ticks (i.e., when cattle came from outside the farm). Cattle movement between farms in Middle Magdalena can contribute to the spread of ticks in this region.
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Affiliation(s)
- Juan A Segura
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Calle 78B #72A-109, Bloque A-110, Medellín, Colombia
| | | | | | - Leonardo Ríos Osorio
- Grupo de Investigación Salud y Sostenibilidad, Escuela de Microbiología, Universidad de Antioquia, Medellín, Colombia
| | - Zulma V Rueda
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Lina A Gutiérrez
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Calle 78B #72A-109, Bloque A-110, Medellín, Colombia.
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Pérez JE, Estrada GI, Zapata Y, Hidalgo M, Serna CC, Castro DC, González C. Frequency of antibodies and seroconversion against Rickettsia spp in patients consulting health institutions in the department of Caldas, Colombia, 2016-2019. BIOMEDICA : REVISTA DEL INSTITUTO NACIONAL DE SALUD 2021; 41:103-117. [PMID: 34669282 PMCID: PMC8724692 DOI: 10.7705/biomedica.5712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 06/17/2021] [Indexed: 11/21/2022]
Abstract
Introduction: Rickettsioses are zoonotic diseases transmitted by arthropods acting as vectors and reservoirs. Disease symptoms are nonspecific and, therefore, their clinical diagnosis is difficult. Indirect immunofluorescence (IFA) is the gold standard assay for diagnosis. The interest for conducting studies on these pathologies has resurfaced in Colombia since 2001; besides, previous studies have evidenced cases of rickettsiosis in the north of the department of Caldas. Objective: To establish the frequency of antibodies and seroconversion against Rickettsia spp. In patients consulting health institutions in Caldas, Colombia, from 2016 to 2019. Materials and methods: We conducted a quantitative, observational, and descriptive study on a non-probabilistic sample of 175 patients with symptoms compatible with rickettsiosis who consulted in different municipalities of Caldas, Colombia; IFA was performed to detect antibodies in the acute and convalescent phases against Rickettsia rickettsii, Rickettsia typhi, and Rickettsia felis. Results: The average age of the patients was 31 years. The municipalities with the highest proportion of seropositive cases were Belalcázar, Chinchiná, Filadelfia, La Dorada, La Merced, and Manizales; 66% of patients owned pets and 12% reported arthropod bites. The most frequent signs and symptoms were headache (69.7%), arthromyalgia (60%), and fever (58.2%). IgG seroprevalence was 60% for R. rickettsii, 47.9% for R. typhi, and, and 24% for R. felis. Eight patients presented seroconversion. Conclusion: We found evidence of the circulation of Rickettsia species from the spotted fever group and the typhus group associated with human cases in Caldas.
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Affiliation(s)
- Jorge Enrique Pérez
- Grupo de Investigación Biosalud, Universidad de Caldas, Manizales, Colombia.
| | - Gloria Inés Estrada
- Facultad de Ciencias para la Salud, Universidad Católica de Manizales, Manizales, Colombia.
| | - Yuliana Zapata
- Facultad de Ciencias para la Salud, Universidad Católica de Manizales, Manizales, Colombia.
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia.
| | - Cristian Camilo Serna
- Grupo de Investigación Gebiome, Programa de Biología, Universidad de Caldas, Manizales, Colombia.
| | - Diego Camilo Castro
- Departamento de Ciencias Básicas, Universidad de Caldas, Manizales, Colombia.
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Martínez-Diaz HC, Forero-Becerra E, Hidalgo M, Labruna MB. Experimental infection and vector competence of Amblyomma patinoi, a member of the Amblyomma cajennense species complex, for the human pathogen Rickettsia rickettsii. Ticks Tick Borne Dis 2021; 12:101751. [PMID: 34130146 DOI: 10.1016/j.ttbdis.2021.101751] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 03/27/2021] [Accepted: 05/04/2021] [Indexed: 10/21/2022]
Abstract
Amblyomma patinoi ticks infected with Rickettsia rickettsii are present in Colombia, but its vector competence is unknown. Hence, we evaluated the vector competence of A. patinoi with R. rickettsii under laboratory conditions. Experimental guinea pigs and rabbits (males and females) were separated in the infected group (IG) and the control group (CG). In the IG, the filial 1 (F1) larvae (R. rickettsii-free) from Colombian A. patinoi engorged female specimens were exposed to R. rickettsii (ITU strain) by feeding on infected guinea pigs. Next, F1 nymphs and adults, and F2 larvae were allowed to feed on uninfected guinea pigs or rabbits and tested by qPCR targeting the gltA rickettsial gene. All animals used to feed the IG F1 ticks became febrile and had R. rickettsii infection (89% fatality rate) detected through serological or molecular techniques. After the F1 larvae ticks became R. rickettsii infected, subsequent IG tick stages were able to maintain the rickettsial infection by transstadial maintenance to all infested animals, indicating A. patinoi vector competence. Subsequently, almost 31% of the F1 female egg masses and only 42% of their F2 larvae were infected. Less than 50% of the infected females transmitted R. rickettsii transovarially, and only a part of the offspring were infected. This study demonstrated that A. patinoi might not be able to sustain R. rickettsii infection by transovarial transmission for successive tick generations without horizontal transmission via rickettsemic hosts. This condition might result in low R. rickettsii-infection rates of A. patinoi under natural conditions.
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Affiliation(s)
- Heidy-C Martínez-Diaz
- Grupo de Enfermedades Infecciosas, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia
| | - Elkin Forero-Becerra
- Estancia postdoctoral - Convocatoria Colciencias 784/2017, Laboratorio de Bacteriología Especial, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia
| | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo-USP, Av. Prof. Orlando Marques de Paiva, 87, São Paulo, SP 05508-270, Brazil.
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Forero-Becerra E, Patel J, Martínez-Díaz HC, Betancourt-Ruiz P, Benavides E, Durán S, Olaya-Másmela LA, Bolaños E, Hidalgo M, McBride JW. Seroprevalence and Genotypic Analysis of Ehrlichia canis Infection in Dogs and Humans in Cauca, Colombia. Am J Trop Med Hyg 2021; 104:1771-1776. [PMID: 33755584 PMCID: PMC8103471 DOI: 10.4269/ajtmh.20-0965] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 01/12/2021] [Indexed: 12/21/2022] Open
Abstract
Ehrlichia canis infections have been reported in humans in Venezuela and Costa Rica. In this study, 506 healthy residents and 114 dogs from four municipalities (Cauca, Colombia) were surveyed and blood samples collected. Antibodies to E. canis in human and canine sera were evaluated using the Tandem repeat protein 19 (TRP19) peptide ELISA and indirect immunofluorescence assay (IFA). Ehrlichia canis TRP19 antibodies were detected in only 1/506 human sera, but the single positive sample was negative by IFA. The majority (75/114; 66%) of dogs surveyed had antibodies to the E. canis TRP19 peptide by ELISA, and eight randomly selected sera were further confirmed by E. canis IFA. Genomic DNA samples obtained from 73 E. canis TRP19 ELISA-positive dog blood samples were examined by PCR targeting the 16S ribosomal ribonucleic acid (rRNA) gene. Ehrlichia canis 16S rRNA was amplified in 30 (41%) of the dogs, and 16 amplicons were selected for DNA sequencing, which confirmed that all were E. canis. A second PCR was performed on the 16 confirmed E. canis 16S rRNA PCR-positive samples to determine the TRP36 genotype by amplifying the trp36 gene. TRP36 PCR amplicon sequencing identified nine dogs infected with the U.S. E. canis TRP36 genotype (56%), one dog with the Brazilian genotype (6%), and six dogs with the Costa Rican genotype (38%). Moreover, these molecular genotype signatures were consistent with serologic analysis using TRP36 genotype-specific peptides. Notably, there was no serologic evidence of E. canis infection in humans, suggesting that E. canis infection in dogs in Cauca is not associated with zoonotic human infection.
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Affiliation(s)
- Elkin Forero-Becerra
- Research Training Program, Fogarty International Center (Code 1 D43), University of Texas Medical Branch at Galveston, Galveston, Texas;,Address correspondence to Elkin Forero-Becerra, Grupo de Investigación en Medicina Veterinaria y Zootecnia (GIDIMEVETZ), Facultad de Ciencias Agropecuarias, Universidad Pedagógica y Tecnológica de Colombia, Av. Central del Norte No. 39-115, Tunja 150001, Colombia. E-mail:
| | - Jignesh Patel
- Department of Pathology, University of Texas Medical Branch at Galveston, Galveston, Texas
| | - Heidy-C Martínez-Díaz
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Paola Betancourt-Ruiz
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Efraín Benavides
- Grupo de Investigación Epidemiología y Salud Pública, Facultad de Ciencias Agropecuarias, Universidad de La Salle, Bogotá, D.C., Colombia
| | - Steven Durán
- Grupo de Investigación Epidemiología y Salud Pública, Facultad de Ciencias Agropecuarias, Universidad de La Salle, Bogotá, D.C., Colombia
| | - Luz-A Olaya-Másmela
- Programa de Medicina, Facultad de Ciencias de La Salud, Universidad Libre - Cali, Sede Valle del Lili, Santiago de Cali, Colombia
| | - Eliana Bolaños
- Secretaría de Salud del Departamento del Cauca, Popayán, Colombia
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Jere W. McBride
- Department of Pathology, University of Texas Medical Branch at Galveston, Galveston, Texas
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Turebekov N, Abdiyeva K, Yegemberdiyeva R, Kuznetsov A, Dmitrovskiy A, Yeraliyeva L, Shapiyeva Z, Batyrbayeva D, Tukhanova N, Shin A, Musralina L, Hoelscher M, Froeschl G, Dobler G, Freimueller K, Wagner E, Frey S, Essbauer S. Occurrence of Anti-Rickettsia spp. Antibodies in Hospitalized Patients with Undifferentiated Febrile Illness in the Southern Region of Kazakhstan. Am J Trop Med Hyg 2021; 104:2000-2008. [PMID: 33901004 DOI: 10.4269/ajtmh.20-0388] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 02/09/2021] [Indexed: 12/16/2022] Open
Abstract
Undifferentiated febrile illness still represents a demanding medical problem all over the world, but primarily in low- and middle-income countries. Scientific and clinical investigations related to undifferentiated febrile illness and rickettsial diseases in Kazakhstan are lacking. This study reflects the investigation of antibodies against spotted fever group (SFG) and typhus group (TG) rickettsiae in patients with undifferentiated febrile illness in the southern region of Kazakhstan (Almaty and Kyzylorda oblasts). Paired serum samples were gathered from 13 hospitals in these two oblasts and explored for the presence of IgM and IgG antibodies against typhus group and IgG antibodies against spotted fever group rickettsiae using ELISA. Patient's questionnaires were statistically analyzed. In total, 802 inpatients from Almaty (N = 9) and Kyzylorda (N = 4) hospitals were included in this research. Based on ELISA results, 250 patients out of 802 (31.2%) from both oblasts had IgG antibodies against SFG rickettsiae. Results from 11 (1.4%) patients indicated acute infection with tick-borne rickettsiosis. Regarding TG rickettsiae (R. typhi), a past infection was detected in 248 (30.9%) febrile patients and acute infection in 22 (2.7%) patients in the two selected oblasts. The data indicated that SFG and TG rickettsioses are present in Kazakhstan. Kazakh physicians should be aware of these emerging diseases in both investigated oblasts because the occurrence of these diseases is not suspected during day-to-day clinical practice. The identification of rickettsial pathogens and implementation of modern laboratory methods for the diagnostics of rickettsioses are in need throughout Kazakhstan.
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Affiliation(s)
- Nurkeldi Turebekov
- 1Central Reference Laboratory, National Scientific Center for Especially Dangerous Infections, Almaty, Kazakhstan
| | - Karlygash Abdiyeva
- 1Central Reference Laboratory, National Scientific Center for Especially Dangerous Infections, Almaty, Kazakhstan
| | - Ravilya Yegemberdiyeva
- 2Department of Infectious and Tropical Diseases, Kazakh National Medical University, Almaty, Kazakhstan
| | - Andrey Kuznetsov
- 3National Scientific Center for Especially Dangerous Infections, Almaty, Kazakhstan
| | - Andrey Dmitrovskiy
- 3National Scientific Center for Especially Dangerous Infections, Almaty, Kazakhstan
| | - Lyazzat Yeraliyeva
- 4Department of Children's Infectious Diseases, Kazakh National Medical University, Almaty, Kazakhstan
| | - Zhanna Shapiyeva
- 5Scientific Practical Center of Sanitary Epidemiological Expertise and Monitoring, Almaty, Kazakhstan
| | - Dinara Batyrbayeva
- 6Scientific Clinical Diagnostic Laboratory, Kazakh National Medical University, Almaty, Kazakhstan
| | - Nur Tukhanova
- 7Center for International Health, Ludwig-Maximilians-Universität, Munich, Germany
| | - Anna Shin
- 7Center for International Health, Ludwig-Maximilians-Universität, Munich, Germany
| | - Lyazzat Musralina
- 8Al-Farabi Kazakh National University, Almaty, Kazakhstan.,9Institute of General Genetics and Cytology, Almaty, Kazakhstan
| | - Michael Hoelscher
- 10Division of Infectious Diseases and Tropical Medicine, University Hospital, Ludwig-Maximilians-Universität, German Center for Infection Research, Munich Partner site, Munich, Germany
| | - Guenter Froeschl
- 7Center for International Health, Ludwig-Maximilians-Universität, Munich, Germany.,10Division of Infectious Diseases and Tropical Medicine, University Hospital, Ludwig-Maximilians-Universität, German Center for Infection Research, Munich Partner site, Munich, Germany
| | - Gerhard Dobler
- 11Bundeswehr Institute of Microbiology, Department Virology & Rickettsiology, German Center for Infection Research, Munich Partner site, Munich, Germany
| | - Klaus Freimueller
- 11Bundeswehr Institute of Microbiology, Department Virology & Rickettsiology, German Center for Infection Research, Munich Partner site, Munich, Germany
| | - Edith Wagner
- 11Bundeswehr Institute of Microbiology, Department Virology & Rickettsiology, German Center for Infection Research, Munich Partner site, Munich, Germany
| | - Stefan Frey
- 11Bundeswehr Institute of Microbiology, Department Virology & Rickettsiology, German Center for Infection Research, Munich Partner site, Munich, Germany.,12Bundeswehr Research Institute for Protective Technologies and CBRN Protection, Munster, Germany
| | - Sandra Essbauer
- 11Bundeswehr Institute of Microbiology, Department Virology & Rickettsiology, German Center for Infection Research, Munich Partner site, Munich, Germany
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Ticks (Acari: Ixodoidea) associated with mammals in Colombia: a historical review, molecular species confirmation, and establishment of new relationships. Parasitol Res 2021; 120:383-394. [PMID: 33447885 DOI: 10.1007/s00436-020-06989-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 11/24/2020] [Indexed: 12/19/2022]
Abstract
Ticks are considered the second most important vectors of pathogens worldwide, after mosquitoes. This study provides a systematic review of vector-host relationships between ticks and mammals (domestic and wild) and consolidates information from studies conducted in Colombia between 1911 and 2020. Using the PRISMA method, 71 scientific articles containing records for 51 tick species (Argasidae and Ixodidae) associated with mammals are reported. The existing information on tick-mammal associations in Colombia is scarce, fragmented, or very old. Moreover, 213 specimens were assessed based on morphological and molecular analyses, which allowed confirming eight tick species associated with mammals: Amblyomma calcaratum, Amblyomma dissimile, Amblyomma mixtum, Amblyomma nodosum, Amblyomma ovale, Amblyomma varium, Ixodes luciae, and Ixodes tropicalis. Several tick species are molecularly confirmed for Colombia and nine new relationships between ticks and mammals are reported. This research compiles and confirms important records of tick-mammal associations in Colombia.
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Farovitch L, Sippy R, Beltrán-Ayala E, Endy TP, Stewart-Ibarra AM, Leydet BF. Detection of Antibodies to Spotted Fever Group Rickettsiae and Arboviral Coinfections in Febrile Individuals in 2014-2015 in Southern Coastal Ecuador. Am J Trop Med Hyg 2019; 101:1087-1090. [PMID: 31549616 DOI: 10.4269/ajtmh.19-0157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Tick-borne diseases (TBDs) are a growing public health threat and are increasingly identified as the cause of undifferentiated febrile illness. There is a significant gap in our understanding of ticks and their associated pathogens in Ecuador. An arboviral surveillance study allowed us to explore potential exposure to TBDs in febrile subjects. We tested plasma samples from 222 febrile subjects for spotted fever group rickettsial (SFGR) antibodies from southern coastal Ecuador in 2014-2015 via ELISA. Fifty-five (25%) subjects had evidence of anti-SFRG IgG or IgM antibodies. Although attempts to detect Rickettsia species in plasma by polymerase chain reaction were unsuccessful, these preliminary data suggest the possibility of endemic SFGR transmission in Ecuador. To better understand the burden and entomological risk for TBDs in Ecuador, future studies should expand TBD surveillance in humans, document common human-biting ticks, and measure pathogen carriage rates in questing ticks.
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Affiliation(s)
| | - Rachel Sippy
- University of Florida, Gainesville, Florida.,State University of New York Upstate Medical University, Syracuse, New York
| | | | - Timothy P Endy
- State University of New York Upstate Medical University, Syracuse, New York
| | - Anna M Stewart-Ibarra
- State University of New York Upstate Medical University, Syracuse, New York.,InterAmerican Institute for Global Change Research (IAI), Montevideo, Uruguay
| | - Brian F Leydet
- State University of New York Upstate Medical University, Syracuse, New York.,State University of New York College of Environmental Science and Forestry, Syracuse, New York
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20
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Ellwanger JH, Chies JAB. The triad "dogs, conservation and zoonotic diseases" - An old and still neglected problem in Brazil. Perspect Ecol Conserv 2019; 17:157-161. [PMID: 32572390 PMCID: PMC7148981 DOI: 10.1016/j.pecon.2019.06.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 06/18/2019] [Indexed: 12/18/2022] Open
Abstract
The presence of domestic/free-ranging dogs in Brazilian protected areas and native vegetation fragments is an important problem, mainly because these animals pose a threat to wild species that live in such areas. In addition, dogs constantly circulate between wildlife environments and urban regions, acting as "bridges" in spillover events. Dogs are traditionally recognized as vectors of zoonoses, which are correct, but their roles as facilitating agents for the "jump" of pathogens from wild animals to humans (and vice versa) are sparsely debated. In this context, this work briefly describes the different roles of dogs in the dynamics and ecology of infectious diseases, using the Brazilian scenario as a study model.
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Affiliation(s)
- Joel Henrique Ellwanger
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - José Artur Bogo Chies
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
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21
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Stefanetti V, Morganti G, Veronesi F, Gavaudan S, Capelli G, Ravagnan S, Antognoni MT, Bianchi F, Passamonti F. Exposure of Owned Dogs and Feeding Ticks to Spotted Fever Group Rickettsioses in Central Italy. Vector Borne Zoonotic Dis 2018; 18:704-708. [PMID: 30129908 DOI: 10.1089/vbz.2018.2303] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Dogs may be useful sentinels for public health monitoring of spotted fever group rickettsioses (SFGR). The aim of this study was to determine the exposure to SFGR among dogs and feeding ticks in central Italy. A total of 344 dogs and 607 adult ticks (395 Rhipicephalus sanguineus and 212 Ixodes ricinus specimens) collected from the coats of sampled animals were included in the study. Canine serum samples were analyzed by indirect fluorescent antibody technique (IFAT) for IgG antibodies against Rickettsia conorii and Rickettsia rickettsii. All the ticks and buffy coats were processed by a PCR targeting a fragment of gltA followed by sequencing. Overall, 56 dogs (16.3%) tested positive for one or both rickettsial antigens by IFAT with endpoint titers ranging from 1:64 to 1:2048; 38 (11%) serum samples reacted against R. conorii, 46 (13.4%) reacted against R. rickettsii, and 28 (8.1%) reacted simultaneously against both rickettsial agents. All buffy coats were PCR negative. Rickettsial DNA was revealed in 39 (18.4%) I. ricinus and in 10 (2.5%) R. sanguineus specimens. The amplicons sequencing showed three SFGR, that is, R. conorii detected in 10 R. sanguineus specimens and Rickettsia helvetica and Rickettsia monacensis detected in 7 and 32 I. ricinus ticks. Nine out of the 10 R. conorii isolates were obtained from ticks collected from seronegative dogs, and one specimen from a dog tested positive for both R. rickettsii and R. conorii by immunofluorescence assay. Among the seven ticks tested positive for R. helvetica, six were recovered from the coats of seronegative dogs and one from a dog having antibodies against R. conorii; the 32 isolates of R. monacensis were obtained from 28 seronegative and 4 R. conorii/R. rickettsii-positive dogs. The results highlight the non-negligible exposure of the canine population to SFGR in the sampled areas.
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Affiliation(s)
| | - Giulia Morganti
- 1 Department of Veterinary Medicine, University of Perugia , Perugia, Italy
| | - Fabrizia Veronesi
- 1 Department of Veterinary Medicine, University of Perugia , Perugia, Italy
| | - Stefano Gavaudan
- 2 Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche , Ancona, Italy
| | - Gioia Capelli
- 3 Istituto Zooprofilattico Sperimentale delle Venezie , Legnaro, Italy
| | - Silvia Ravagnan
- 3 Istituto Zooprofilattico Sperimentale delle Venezie , Legnaro, Italy
| | | | - Flavia Bianchi
- 1 Department of Veterinary Medicine, University of Perugia , Perugia, Italy
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Moreira J, Bressan CS, Brasil P, Siqueira AM. Epidemiology of acute febrile illness in Latin America. Clin Microbiol Infect 2018; 24:827-835. [PMID: 29777926 PMCID: PMC7172187 DOI: 10.1016/j.cmi.2018.05.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 05/01/2018] [Accepted: 05/03/2018] [Indexed: 12/11/2022]
Abstract
Background The causes of acute febrile illness (AFI) in Latin America are diverse and their complexity increases as the proportion of fever due to malaria decreases, as malaria control measures and new pathogens emerge in the region. In this context, it is important to shed light on the gaps in the epidemiological characteristics and the geographic range for many AFI aetiologies. Objectives To review studies on community-acquired fever aetiology other than malaria in Latin America, and to highlight knowledge gaps and challenges needing further investigation. Sources PubMed from 2012 to April 2018. Content We found 17 eligible studies describing 13 539 patients. The median number of pathogens tested per individual was 3.5 (range 2–17). A causative pathogen could be determined for 6661 (49.2%) individuals. The most frequently reported pathogen during the study periods was dengue virus (DENV) (14 studies), followed by chikungunya virus (nine studies) and Zika virus (seven studies). Among the studies reporting concurrent infections, 296 individuals (2.2%) were found to have co-infections. In-hospital mortality was reported in eight (47%) studies, ranging between 0% and 18%. Implications DENV fever is the febrile illness most frequently reported, reflecting its importance, while chikungunya and zika viruses present increasing trends since their emergence in the region. Studies with systematic and harmonized approaches for detection of multiple pathogens are needed and would probably reveal a higher burden of neglected pathogens such as Rickettsia spp. and arenaviruses. The lack of point-of-care tests and harmonized approach limits the care provided by health professionals and the efficacy of surveillance for AFI in the region.
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Affiliation(s)
- J Moreira
- Instituto Nacional de Infectologia Evandro Chagas, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil; Programa de Pós-Graduação em Pesquisa Clínica, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil
| | - C S Bressan
- Instituto Nacional de Infectologia Evandro Chagas, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil; Programa de Pós-Graduação em Pesquisa Clínica, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil
| | - P Brasil
- Instituto Nacional de Infectologia Evandro Chagas, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil; Programa de Pós-Graduação em Pesquisa Clínica, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil
| | - A M Siqueira
- Instituto Nacional de Infectologia Evandro Chagas, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil; Programa de Pós-Graduação em Pesquisa Clínica, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil.
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