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Robi DT, Bogale A, Urge B, Aleme M. Seroprevalence of Coxiella burnetii, Leptospira interrogans serovar hardjo, and Brucella species and associated reproductive disorders in cattle in southwest Ethiopia. Heliyon 2024; 10:e25558. [PMID: 38327482 PMCID: PMC10848014 DOI: 10.1016/j.heliyon.2024.e25558] [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: 10/03/2022] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 02/09/2024] Open
Abstract
In Ethiopia, Coxiella burnetii, Leptospira Hardjo, and Brucella spp are recognized as the primary factors contributing to cattle reproductive issues. A cross-sectional study was conducted in southwest Ethiopia from October 2020 to October 2021 to assess the risk of reproductive disorders associated with L. Hardjo, Coxiella burnetii, and Brucella spp. Moreover, the study aimed to identify the factors associated with reproductive disorders. Using an indirect ELISA, antibodies against these pathogens were observed in serum samples collected from 461 cattle. We employed multivariable random effect logistic regression analysis to identify potential risk factors associated with reproductive disorders in cattle. The study areas showed a prevalence of 25.16 % (95 % CI: 21.20-29.12) for cattle reproductive disorders. The presence of Leptospira Hardjo (OR = 2.9, 95 % CI: 1.17-4.02) and Coxiella burnetii (OR = 3.0, 1.49-5.94) antibodies was associated to the occurrence of cattle reproductive disorders. Seropositivity to pathogens B. abortus, C. burnetii, and L. Hardjo, along with co-infection of all three, showed association with cattle abortion. The presence of L. Hardjo seropositivity and co-infection with C. burnetii were related to dystocia in cattle. Cattle with retained fetal membranes were associated with co-infection seropositivity to these pathogens. Additionally, B. abortus seropositivity was linked to cases of repeated breeding in cattle. Age, breeding practices, and dog access to cattle showed associations with reproductive disorders, with odds ratios of 2.3 (95 % CI: 2.03-4.69), 2.9 (95 % CI: 1.83-4.82), and 6.5 (95 % CI: 1.04-2.53) respectively. This research indicates that Brucella abortus, Coxiella burnetii, and Leptospira Hardjo, which are responsible for severe zoonotic diseases, have a substantial negative impact on cattle production by causing reproductive disorders. To address the transmission of these diseases, it is essential to implement effective mitigation strategies and enhance public awareness. Additional investigation is necessary to identify and understand the factors contributing to cattle reproductive disorders in the specified area.
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Affiliation(s)
- Dereje Tulu Robi
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box: 34, Tepi, Ethiopia
| | - Ararsa Bogale
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box: 34, Tepi, Ethiopia
| | - Beksisa Urge
- Ethiopian Institute of Agricultural Research, Holeta Agricultural Research Center, P.O. Box 2003, Holeta, Ethiopia
| | - Melkam Aleme
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box: 34, Tepi, Ethiopia
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Djibril ASD, Bothon FTD, Boko KC, Koutinhouin BG, Farougou S. Farmers' perceptions of bovine brucellosis in Benin. Vet World 2024; 17:434-447. [PMID: 38595653 PMCID: PMC11000487 DOI: 10.14202/vetworld.2024.434-447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 02/05/2024] [Indexed: 04/11/2024] Open
Abstract
Background and Aim Cattle are the main source of meat in Benin. To improve the attitudes and practices of cattle breeders in relation to bovine brucellosis, a study has been carried out in Benin according to different agroecological zones. This study aimed to assess farmers' knowledge and practices concerning bovine brucellosis to generate essential information for control programs and public health interventions. Materials and Methods The study was conducted from February to May 2022, during which 608 farmers were interviewed using a structured questionnaire that provided information on socioeconomic characteristics, knowledge, and practices related to bovine brucellosis. Analysis of variance, Poisson regression, and the proportion comparison test were used to compare these characteristics in the different agroecological zones. At the end of the surveys, three distinct and homogeneous groups of perceptions (hierarchical classification of Multiple Correspondence Analysis components of R software) of bovine brucellosis were identified (these groups only consider farmers who declared knowledge of the disease). Groups were formed by applying the multiple correspondence analysis function of the FactoMineR library in R software, followed by a hierarchical ascending classification using the hierarchical clustering on principal component function of the same software (Agrocampus Rennes, France). Results Only 38% of respondents were aware of brucellosis. Knowledge of brucellosis was not related to sex or education level but was higher among farmers in agroecological Zones 1 and 4. Ethnic Dendi herders (62.16%) had better knowledge of the disease than those from other sociolinguistic groups (Somba: 50%, Fulani: 40.91%, Baribas: 26.97%, and others: 8.82%). Reduced milk production (98.29%), presence of hygroma (87.18%), and abortion (56.84%) are the main signs reported by herders familiar with the disease. All three groups had good knowledge of the disease and its zoonotic nature. Groups 1 (96% of breeders) and 2 (2.14%) were aware of the risk factors (contact with affected animals, the consumption of raw milk, the handling of runts, and reproductive rejection). In the case of Brucella, they prefer to treat animals rather than sell them and use both traditional and modern medicines. Group 3 (1.71%) did not know the risk factors and preferred to sell animals in the event of illness. Conclusion Pastoralists need to be made aware of the mode of transmission of bovine brucellosis, its clinical manifestations, its impact on animal health, and the zoonotic nature of the disease (impact on public health) so that bovine brucellosis can be rapidly detected in herds.
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Affiliation(s)
- Adeyemi Sharafa Dine Djibril
- Research Unit on Communicable Diseases, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Cotonou, Benin
- Research Unit on Plant Extracts and Natural Flavors, Applied Chemistry Study and Research Laboratory, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Cotonou, Benin
| | - Fifa Théomaine Diane Bothon
- Research Unit on Plant Extracts and Natural Flavors, Applied Chemistry Study and Research Laboratory, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Cotonou, Benin
- Kaba Laboratory for Research in Chemistry and Applications; National Higher Institute of Industrial Technology, National University of Sciences, Engineering Technologies and Mathematics, Benin
| | - Kadoeto Cyrille Boko
- Research Unit on Communicable Diseases, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Cotonou, Benin
| | | | - Souaibou Farougou
- Research Unit on Communicable Diseases, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Cotonou, Benin
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de França DA, Kmetiuk LB, Panazzolo GAK, Domingues OJ, da Silva FP, Biondo LM, de Souza Ribeiro Mioni M, Possebon FS, de Lima Duré AÍ, Silva MVF, Duarte MM, Fávero GM, Biondo AW, Langoni H. Serosurvey of Coxiella burnetii in Descendants of Former Black Slaves (Quilombola Communities) of Southern Brazil. Microorganisms 2024; 12:92. [PMID: 38257919 PMCID: PMC10819991 DOI: 10.3390/microorganisms12010092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 01/24/2024] Open
Abstract
Brazilian descendants of former Black-slave (quilombola) communities have been predisposed to several zoonotic diseases due to social vulnerability, characterized by subsistence and close contact with livestock and companion animals. Accordingly, the present study has assessed anti-Coxiella burnetii antibodies in 200 individuals and 20 dogs from four quilombola communities located in Paraná State, southern Brazil. Serum samples were tested by indirect immunofluorescence assay (IFA) using in-house and commercial diagnostic protocols, with analysis of seropositive titers and antibody type. Fisher's exact test was used to compare seropositivity to C. burnetti with binary variables, with variables with three or more possible responses submitted to logistic regression. In total, 44/200 (22%; 95% CI 16.82-28.24) people tested positive, and 4.5% had titers higher than 128, indicating a recent onset of C. burnetii infection. Seropositive individuals were statistically associated with the Limitão community (p = 0.0013), urban workers as occupations (p = 0.0475), consumption of undercooked meat (p = 0.0159), and contact with animal abortion (p = 0.0276). No seropositivity association was found for age, sex, education, habit of entering forest areas, consumption of game meat, consumption of raw milk, flea and tick bites, dog contact, or history of female miscarriage. Only one of 20 dogs was seropositive with a titer of 128, probably related to an acute animal infection. Despite the prevalence here being higher than previous Brazilian reports, including with symptomatic populations, the results were within range for worldwide outbreaks and occupational risk populations. To the reader's knowledge, this is the first human survey of Q fever in southern Brazil and should be considered a warning for C. burnetii in vulnerable populations, particularly Quilombola communities.
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Affiliation(s)
- Danilo Alves de França
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animals Science, São Paulo State University, Botucatu 18618-681, SP, Brazil; (D.A.d.F.); (F.S.P.)
| | - Louise Bach Kmetiuk
- Department of Veterinary Medicine, Federal University of Paraná State, Curitiba 80035-050, PR, Brazil; (L.B.K.); (A.W.B.)
| | - Giovanni Augusto Kalempa Panazzolo
- Graduate College of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84030-900, PR, Brazil; (G.A.K.P.); (O.J.D.); (G.M.F.)
| | - Orlei José Domingues
- Graduate College of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84030-900, PR, Brazil; (G.A.K.P.); (O.J.D.); (G.M.F.)
| | - Filipe Pereira da Silva
- Service of Virology and Rickettsiosis, Octavio Magalhaes Institute, Ezequiel Dias Foundation, Belo Horizonte 30510-010, MG, Brazil; (F.P.d.S.); (A.Í.d.L.D.); (M.V.F.S.); (M.M.D.)
| | - Leandro Meneguelli Biondo
- National Institute of the Atlantic Forest (INMA), Brazilian Ministry of Science, Technology and Innovation, Santa Teresa 29650-000, ES, Brazil;
- Interdisciplinary Graduate Studies, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Mateus de Souza Ribeiro Mioni
- Department of Pathology, Reproduction and One Health, Faculty of Agricultural and Veterinary Sciences, São Paulo State University, Jaboticabal 14884-900, SP, Brazil;
| | - Fábio Sossai Possebon
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animals Science, São Paulo State University, Botucatu 18618-681, SP, Brazil; (D.A.d.F.); (F.S.P.)
| | - Ana Íris de Lima Duré
- Service of Virology and Rickettsiosis, Octavio Magalhaes Institute, Ezequiel Dias Foundation, Belo Horizonte 30510-010, MG, Brazil; (F.P.d.S.); (A.Í.d.L.D.); (M.V.F.S.); (M.M.D.)
| | - Marcos Vinicius Ferreira Silva
- Service of Virology and Rickettsiosis, Octavio Magalhaes Institute, Ezequiel Dias Foundation, Belo Horizonte 30510-010, MG, Brazil; (F.P.d.S.); (A.Í.d.L.D.); (M.V.F.S.); (M.M.D.)
| | - Myrian Morato Duarte
- Service of Virology and Rickettsiosis, Octavio Magalhaes Institute, Ezequiel Dias Foundation, Belo Horizonte 30510-010, MG, Brazil; (F.P.d.S.); (A.Í.d.L.D.); (M.V.F.S.); (M.M.D.)
| | - Giovani Marino Fávero
- Graduate College of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84030-900, PR, Brazil; (G.A.K.P.); (O.J.D.); (G.M.F.)
| | - Alexander Welker Biondo
- Department of Veterinary Medicine, Federal University of Paraná State, Curitiba 80035-050, PR, Brazil; (L.B.K.); (A.W.B.)
| | - Helio Langoni
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animals Science, São Paulo State University, Botucatu 18618-681, SP, Brazil; (D.A.d.F.); (F.S.P.)
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Odongo MO, Bebora LC, Gathumbi JK, Aboge GO, Waiboci LW, Erume J. Seroprevalence and spatial distribution of livestock brucellosis using three serological tests in Kajiado County, Kenya. Open Vet J 2023; 13:1583-1596. [PMID: 38292705 PMCID: PMC10824078 DOI: 10.5455/ovj.2023.v13.i12.8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 11/15/2023] [Indexed: 02/01/2024] Open
Abstract
Background Brucellosis is a serious zoonotic infection with a global socioeconomic impact on both the livestock industry and human health. In Kenya, brucellosis is endemic but there is limited information on the true burden of the disease due to weak or peace-meal surveillance. The true burden and spread of animal brucellosis in Kajiado County is not known. Aim The aim of the study was to determine the current seroprevalence and spatial distribution of livestock brucellosis in Kajiado County and also to compare the three serological tests, namely; Rose Bengal plate test (RBPT), indirect enzyme-linked immunosorbent assay (i-ELISA), and competitive ELISA (c-ELISA) in the detection of seropositive animals. Methods A cross-sectional study was undertaken in 5 sub-counties and 13 wards, where a total of 782 serum samples from unvaccinated bovine (n = 278; 34 herds), ovine (n = 256; 25 flocks), and caprine (n = 248; 28 flocks), were screened for anti-Brucella antibodies using RBPT, i-ELISA, and c-ELISA tests, in parallel. Results Overall animal seroprevalence was 6.91% (54/782); while that for bovine, ovine, and caprine was 18.35% (51/278), 0.78% (2/256), and 0.4% (1/248), respectively. Bovine seroprevalence was 2.2% (6/278), 14.4% (40/278), and 4.7% (13/278) in RBPT, i-ELISA, and c-ELISA tests, respectively; while ovine 0.78% (2/256) and caprine 0.4% (1/248) were positive only in c-ELISA. Bovine herd seropositivity was 67.65% (23/34), whereas ovine and caprine flock seropositivities were 8% (2/25) and 3.6% (1/28), respectively. Conclusion The findings indicate a moderate seroprevalence of brucellosis in bovine, while that of ovine and caprine was low in Kajiado County. Indirect ELISA was found superior to both c-ELISA and RBPT in detecting bovine seropositive animals, while c-ELISA was superior to both RBPT and i-ELISA in detecting seropositive ovines and caprines. These results will contribute to baseline data for further study of Brucella infection and a starting point for the formulation of a strategy for the control of brucellosis in Kajiado County.
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Affiliation(s)
- Mahacla O. Odongo
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Lilly C. Bebora
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - James K. Gathumbi
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Gabriel O. Aboge
- Department of Public Health, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Lillian W. Waiboci
- Department of Biochemistry, Faculty of Science and Technology, University of Nairobi, Nairobi, Kenya
| | - Joseph Erume
- Department of Biomolecular Resources and Biolab Sciences, College of Animal Resources and Biosecurity, Makerere University, Kampala, Uganda
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Robi DT, Demissie W, Bogale A, Temteme S, Aleme M, Urge B. Epidemiological investigation of Coxiella burnetii in cattle and its association with Ixodid tick infestation in different agro-ecological zones of Southwest Ethiopia. Res Vet Sci 2023; 164:105015. [PMID: 37708827 DOI: 10.1016/j.rvsc.2023.105015] [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: 04/16/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/16/2023]
Abstract
Coxiella burnetii is a serious zoonotic disease that causes significant economic losses in cattle production, including abortion, stillbirth, infertility, and reduced milk yield. However, little is known about the epidemiology of C. burnetii in Ethiopia. From November 2020 to November 2021, a cross-sectional study was conducted to estimate the seroprevalence and associated risk factors of C. burnetii in cattle in various agro-ecologies of Southwest Ethiopia. Blood samples were collected from 461 cattle, and the serum samples were tested for the presence of C. burnetii antibodies using an indirect ELISA. To identify potential risk factors for C. burnetii seropositivity, a multivariable mixed-effect logistic regression analysis was used. The study found an overall seroprevalence of 8.68% (95% CI: 6.11-11.25) and 13.57% (95% CI: 9.56-17.58) at the animal and herd levels, respectively, in the study areas. The results of the study indicated that C. burnetii infection was a widespread disease in the study areas. C. burnetii seropositivity at the animal level was significantly associated with age (OR = 4.1, 95%CI: 1.47-10.92), herd size (OR = 3.9, 95%CI: 1.21-12.66), management system (OR = 9.7, 95%CI: 1.27-27.25), cattle access to dogs, cats, and mice (OR = 2.5, 95%CI: 1.21-5.28), accessibility of cattle to wild animals (OR = 4.2, 95%CI: 1.01-17.18), presence of ticks on cattle (OR = 2.3, 95%CI: 1.12-4.83), and history of abortion (OR = 3.8, 95%CI: 1.78-8.23). A herd level analysis identified several risk factors for C. burnetii infection, including the management system (OR = 3.8, 95%CI: 1.59-8.98), agro-ecology (OR = 2.8, 95%CI: 1.43-7.21), herd size (OR = 4.3, 95%CI: 1.69-9.76), and accessibility of cattle to dogs, cats, and mice (OR = 2.6, 95%CI: 1.18-3.96). Therefore, it is important to implement appropriate control methods and raise public awareness about C. burnetii zoonotic transmission. Moreover, further studies should be conducted to isolate and characterize C. burnetii as a cause of reproductive problems and in disease reservoirs such as ticks and wildlife in the study areas.
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Affiliation(s)
- Dereje Tulu Robi
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box, 34, Tepi, Ethiopia.
| | - Wondimagegn Demissie
- Jimma University College of Agriculture and Veterinary Medicine School of Veterinary Medicine, P.O. Box 307, Jimma, Ethiopia
| | - Ararsa Bogale
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box, 34, Tepi, Ethiopia
| | - Shiferaw Temteme
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box, 34, Tepi, Ethiopia
| | - Melkam Aleme
- Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, P.O Box, 34, Tepi, Ethiopia
| | - Beksisa Urge
- Ethiopian Institute of Agricultural Research, Holeta Agricultural Research Center, P.O. Box 2003, Holeta, Ethiopia
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Muhammad KA, Gadzama UN, Onyiche TE. Distribution and Prevalence of Coxiella burnetii in Animals, Humans, and Ticks in Nigeria: A Systematic Review. Infect Dis Rep 2023; 15:576-588. [PMID: 37888137 PMCID: PMC10606657 DOI: 10.3390/idr15050056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
'Query' (Q) fever is a neglected but emerging or re-emerging zoonotic disease caused by the bacterium Coxiella (C.) burnetii. Several host species are considered or speculated to be the primary reservoir hosts for human infection. In the past, several research groups in Nigeria have evaluated the prevalence of C. burnetii in various vertebrate and invertebrate hosts. Currently, there is a paucity of knowledge regarding the epidemiology of the pathogen in Nigeria with limited or no attention to control and prevention programs. Therefore, this review was undertaken to comprehend the current situation of C. burnetii infection in human, domestic and peri-domestic animals, and some tick species in Nigeria since 1960 with the aim to help identify future research priorities for the country. A comprehensive literature search was performed using the PRISMA guidelines on five scientific databases including Google Scholar, PubMed, AJOL, Science Direct, and Scopus for articles published from Nigeria dealing with the screening of blood, milk, or tick DNA for evidence of C. burnetii using any standard diagnostic approach. Of the 33 published articles subjected to full-text evaluation, more than 48% of the articles met the inclusion criteria and were thus included in this review. We observed different ranges of prevalence for C. burnetii antibodies from four vertebrate hosts including cattle (2.5-23.5%), sheep (3.8-12.0%), goats (3.1-10.9%), and humans (12.0-61.3%). Additionally, the use of molecular diagnostics revealed that the DNA of C. burnetii has been amplified in eight tick species including Hyalomma (Hy) dromedarii, Hy. truncatum, Hy. impeltatum, Hy. rufipes, Hy. impressum, Amblyomma (Am.) variegatum, Rhipicephalus (Rh.) evertsi evertsi, and Rh. annulatus. Two rodent's species (Rattus rattus and Rattus norvegicus) in Nigeria were documented to show evidence of the bacterium with the detection of the DNA of C. burnetii in these two mammals. In conclusion, this review has provided more insight on the prevalence of C. burnetii and its associated host/vector in Nigeria. Domestic animals, peri-domestic animals, and ticks species harbor C. burnetii and could be a source of human infections. Due to the paucity of studies from southern Nigeria, we recommend that research groups with interest on vector-borne diseases need to consider more epidemiological studies in the future on C. burnetii prevalence in diverse hosts to help unravel their distribution and vector potentials in Nigeria as a whole.
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Affiliation(s)
- Kaka A. Muhammad
- Department of Biological Sciences, University of Maiduguri, P. M. B. 1069, Maiduguri 600230, Nigeria; (K.A.M.); (U.N.G.)
| | - Usman N. Gadzama
- Department of Biological Sciences, University of Maiduguri, P. M. B. 1069, Maiduguri 600230, Nigeria; (K.A.M.); (U.N.G.)
| | - ThankGod E. Onyiche
- Department of Veterinary Parasitology and Entomology, University of Maiduguri, P. M. B. 1069, Maiduguri 600230, Nigeria
- Department of Biological and Environmental Sciences, Faculty of Natural Sciences, Walter Sisulu University, PBX1, Mthatha 5117, South Africa
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Ta N, Mi J, Li X, Guo W, Yu G, Li G, Pang S, Bai W, Liu Q, Zhao H, Wei G, Fan M, Wen Y. Epidemiological Characteristics and Clinical Manifestations of Brucellosis and Q Fever Among Humans from Northeastern Inner Mongolia. Infect Drug Resist 2022; 15:6501-6513. [PMID: 36386408 PMCID: PMC9645112 DOI: 10.2147/idr.s381370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022] Open
Abstract
Objective To investigate the distribution, epidemiology, and clinical symptoms of brucellosis and Q fever in northeastern Inner Mongolia. Methods In this study, 64 townships of Bairin left flag and Alukerqin flag, Jarud flag and Horqin right front flag in four counties with frequent brucellosis and Q fever were selected. Epidemiological characteristics, clinical features, and exposure to risk factors were identified and descriptively analyzed in patients from these areas. Results There were 367 brucellosis cases in the four regions and 78 positive cases of Q-fever infection. In addition, 24 cases of brucellosis and Q-fever co-infection were identified, with a co-infection rate of 1.13%. Brucellosis and Q fever were mainly concentrated in the 30–65 and 40–55 age groups. For brucellosis, the difference between age groups was statistically significant (χ2 = 29.121, P < 0.05). The sex distribution for brucellosis was 225 men (61.31%) and 142 women (38.69%), and 45 men (57.69%) and 33 women (42.31%) had Q fever. Those with brucellosis and Q fever were mainly farmers, accounting for 79.19% and 78.38% of the total number, respectively. Of the 367 cases of brucellosis infection, the main symptoms were joint pain (52.59%), fatigue (47.14%), lower back pain (38.96%), fever (33.24%), hyperhidrosis (28.88%), and muscle pain (20.44%). Of the 78 cases of Q-fever infection, the main symptoms were joint pain (35.90%), fatigue (30.77%), lower back pain (26.92%), fever (21.79%), and hyperhidrosis (17.95%). Muscle pain also accounted for 12.82%. Conclusion Occupational distribution suggests that we should strengthen the protection measures against diseases infected through animal husbandry. Among the clinical symptoms, fever, hyperhidrosis and fatigue were associated with brucellosis, while fever, headache, and fatigue were significantly associated with Q fever.
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Affiliation(s)
- Na Ta
- School of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, People’s Republic of China
- Inner Mongolia Center for Disease Control and Research, Hohhot, People’s Republic of China
| | - Jingchuan Mi
- Inner Mongolia Center for Disease Control and Research, Hohhot, People’s Republic of China
| | - Xiaoyan Li
- Inner Mongolia Center for Disease Control and Research, Hohhot, People’s Republic of China
| | - Wei Guo
- Inner Mongolia Center for Disease Control and Research, Hohhot, People’s Republic of China
| | - Gaowa Yu
- Tong Liao Center for Endemic Disease Control and Research, Tong Liao, People’s Republic of China
| | - Guojun Li
- Chi Feng Center for Disease Control and Research, Chi Feng, People’s Republic of China
| | - Shuchun Pang
- Xingan Meng Center for Disease Control and Research, Xingan Meng, People’s Republic of China
| | - Wuyun Bai
- Keyouqian QI Center for Disease Control and Research, Xingan Meng, People’s Republic of China
| | - Qingjie Liu
- Zhalute Qi Center for Disease Control and Research, Chi Feng, People’s Republic of China
| | - Haijun Zhao
- Alukerqin Qi Center for Disease Control and Research, Chifeng, People’s Republic of China
| | - Guangjun Wei
- Balinzuo Qi Center for Disease Control and Research, Chi Feng, People’s Republic of China
| | - Mengguang Fan
- Inner Mongolia Center for Disease Control and Research, Hohhot, People’s Republic of China
| | - Yongjun Wen
- School of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, People’s Republic of China
- Correspondence: Yongjun Wen, School of Veterinary Medicine, Inner Mongolia Agricultural University, No. 306, Zhaowuda Road, Saihan District, Hohhot, 010018, Inner Mongolia, People’s Republic of China, Email
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Akinyemi KO, Fakorede CO, Amisu KO, Wareth G. Human and Animal Brucellosis in Nigeria: A Systemic Review and Meta-Analysis in the Last Twenty-One Years (2001–2021). Vet Sci 2022; 9:vetsci9080384. [PMID: 35893777 PMCID: PMC9394481 DOI: 10.3390/vetsci9080384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/15/2022] [Accepted: 07/22/2022] [Indexed: 01/14/2023] Open
Abstract
Simple Summary Brucellosis caused by Brucella spp. is transmitted by direct or indirect contact with infected animals or their secretions and through the consumption of infected animal meat and unpasteurized milk/milk products. Brucellosis is classified as one of the top neglected zoonosis by the World Health Organization (WHO), and despite this, it does not attract the appropriate attention it requires from both the Federal and State ministries of health in Nigeria. Currently, there is a lack of coordinated national data on the prevalence and distribution of human and animal brucellosis. Thus, published research works between 2001 and 2021 were studied based on set criteria to estimate the burden and distribution of brucellosis in Nigeria. The results of the national seroprevalence of human and animal brucellosis were 17.6% (554/3144) and 13.3% (8547/64,435), respectively. Specifically, 15.8% (7178/45,363) seroprevalence of brucellosis was recorded in northern Nigeria as against 8.7% (1902/21,740) in the southern part. Brucella abortus, B. melitensis, B. suis, and B. canis were reported in 27 of the 36 states. Improved sanitation at the abattoirs, use of personal protective equipment by animal handlers, vaccination of animals against brucellosis, and ranching of animals to curb the spread of the disease should be paramount to all stakeholders. Abstract The global burden of human and animal brucellosis remains enormous. The disease, which is endemic in Nigeria, lacks appropriate attention and national data. This review estimated the burden and distribution of human and animal brucellosis in Nigeria in the last twenty-one years (2001–2021). Publications reporting the detection of brucellosis in Nigeria were sorted from different search engines, including PubMed, ResearchGate, Scopus, and Google Scholar, to generate data on its prevalence, spatial distribution, and predisposing factors. The results of the national seroprevalence of human and animal brucellosis as revealed in this study were 17.6% (554/3144) and 13.3% (8547/64,435), respectively. Specifically, 15.8% (7178/45,363) seroprevalence of brucellosis was recorded in northern Nigeria as against 8.7% (1902/21,740) seroprevalence in the southern part. It also indicated that 78.7% of the detected brucellae were un-typed. The Brucella species detected were B. abortus (15.2%), B. melitensis (4%), B. suis (1.8%), and B. canis (0.4%). This study revealed that brucellosis is endemic in Nigeria. Culture and molecular methods for detecting brucellosis and reports on antimicrobial susceptibility testing remain a conjecture. This review will help researchers redirect their research focus and serve as a guide for policymakers on measures for managing brucellosis in Nigeria.
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Affiliation(s)
- Kabiru O. Akinyemi
- Department of Microbiology, Lagos State University, Km 15, Badagry Expressway, Lasu Post Office, Ojo, P.O. Box 0001, Lagos 102101, Nigeria; (C.O.F.); (K.O.A.)
- Correspondence:
| | - Christopher O. Fakorede
- Department of Microbiology, Lagos State University, Km 15, Badagry Expressway, Lasu Post Office, Ojo, P.O. Box 0001, Lagos 102101, Nigeria; (C.O.F.); (K.O.A.)
| | - Kehinde O. Amisu
- Department of Microbiology, Lagos State University, Km 15, Badagry Expressway, Lasu Post Office, Ojo, P.O. Box 0001, Lagos 102101, Nigeria; (C.O.F.); (K.O.A.)
| | - Gamal Wareth
- Friedrich-Loeffler-Institut (FLI), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany;
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Mwololo D, Nthiwa D, Kitala P, Abuom T, Wainaina M, Kairu-Wanyoike S, Lindahl JF, Ontiri E, Bukachi S, Njeru I, Karanja J, Sang R, Grace D, Bett B. Sero-epidemiological survey of Coxiella burnetii in livestock and humans in Tana River and Garissa counties in Kenya. PLoS Negl Trop Dis 2022; 16:e0010214. [PMID: 35239658 PMCID: PMC8923444 DOI: 10.1371/journal.pntd.0010214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 03/15/2022] [Accepted: 01/28/2022] [Indexed: 01/17/2023] Open
Abstract
Background Coxiella burnetii is a widely distributed pathogen, but data on its epidemiology in livestock, and human populations remain scanty, especially in developing countries such as Kenya. We used the One Health approach to estimate the seroprevalance of C. burnetii in cattle, sheep, goats and human populations in Tana River county, and in humans in Garissa county, Kenya. We also identified potential determinants of exposure among these hosts. Methods Data were collected through a cross-sectional study. Serum samples were taken from 2,727 animals (466 cattle, 1,333 goats, and 928 sheep) and 974 humans and screened for Phase I/II IgG antibodies against C. burnetii using enzyme-linked immunosorbent assay (ELISA). Data on potential factors associated with animal and human exposure were collected using a structured questionnaire. Multivariable analyses were performed with households as a random effect to adjust for the within-household correlation of C. burnetii exposure among animals and humans, respectively. Results The overall apparent seroprevalence estimates of C. burnetii in livestock and humans were 12.80% (95% confidence interval [CI]: 11.57–14.11) and 24.44% (95% CI: 21.77–27.26), respectively. In livestock, the seroprevalence differed significantly by species (p < 0.01). The highest seroprevalence estimates were observed in goats (15.22%, 95% CI: 13.34-17.27) and sheep (14.22%, 95% CI: 12.04–16.64) while cattle (3.00%, 95% CI: 1.65–4.99) had the lowest seroprevalence. Herd-level seropositivity of C. burnetii in livestock was not positively associated with human exposure. Multivariable results showed that female animals had higher odds of seropositivity for C. burnetii than males, while for animal age groups, adult animals had higher odds of seropositivity than calves, kids or lambs. For livestock species, both sheep and goats had significantly higher odds of seropositivity than cattle. In human populations, men had a significantly higher odds of testing positive for C. burnetii than women. Conclusions This study provides evidence of livestock and human exposure to C. burnetii which could have serious economic implications on livestock production and impact on human health. These results also highlight the need to establish active surveillance in the study area to reduce the disease burden associated with this pathogen. Q fever caused by Coxiella burnetii is a significant zoonotic disease that affects wildlife, domestic animals and humans. This study determined the prevalence of antibodies to C. burnetii in livestock (cattle, sheep, and goats) and human populations in arid and semi-arid areas of Kenya between December 2013 and February 2014. We also identified potential factors that were associated with exposure among the above-targeted hosts. Results from this study showed considerable exposure in both livestock and human populations. However, human exposure to this pathogen at the household level was not correlated with herd-level seropositivity. Further studies are needed to elucidate the transmission routes of this pathogen among humans.
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Affiliation(s)
- Damaris Mwololo
- Directorate of Veterinary Services, Ministry of Agriculture, Livestock, Fisheries and Cooperatives, Nairobi, Kenya
| | - Daniel Nthiwa
- Department of Biological Sciences, University of Embu, Embu, Kenya
- International Livestock Research Institute, Nairobi, Kenya
- * E-mail:
| | - Philip Kitala
- Department of Public Health, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Tequiero Abuom
- Department of Clinical Medicine, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | | | - Salome Kairu-Wanyoike
- Department of Veterinary Services, Ministry of Agriculture, Livestock and Fisheries, Nairobi, Kenya
| | - Johanna F. Lindahl
- International Livestock Research Institute, Nairobi, Kenya
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Enoch Ontiri
- International Livestock Research Institute, Nairobi, Kenya
| | - Salome Bukachi
- Institute of Anthropology, University of Nairobi, Nairobi, Kenya
| | - Ian Njeru
- Division of Disease Surveillance and Response, Ministry of Public Health and Sanitation, Kenyatta National Hospital, Nairobi, Kenya
| | - Joan Karanja
- Division of Disease Surveillance and Response, Ministry of Public Health and Sanitation, Kenyatta National Hospital, Nairobi, Kenya
| | | | - Delia Grace
- International Livestock Research Institute, Nairobi, Kenya
- Natural Resources Institute, University of Greenwich, Kent, United Kingdom
| | - Bernard Bett
- International Livestock Research Institute, Nairobi, Kenya
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