Gerardo Montiel-González, Elena Franco-Robles, Carlos A García-Munguía, Mauricio Valencia-Posadas, Oscar A Martínez-Jaime, Sergio López-Briones, Abner J Gutiérrez-Chávez
Background: The aim of the present study was to describe the presence of co-infection by Toxoplasma gondii and Neospora caninum in goats reared in extensive systems from Mexico. Materials and Methods: A cross-sectional study was conducted to determine the frequency of T. gondii and N. caninum , by detecting antibodies to each parasite by mean commercial ELISA kits. A total of 176 blood samples were randomly collected from mature females reared in extensive system herds from 20 municipalities of state of Guanajuato, Mexico...
April 23, 2024: Vector Borne and Zoonotic Diseases
Soner Sertan Kara, Meltem Polat, Emine Hafize Erdeniz, Ayşe Sena Donmez
Background: Tularemia is one of the most prevalent zoonoses across the world. Patients in Turkiye mostly contract the oropharyngeal form, acquired through drinking, or contact with microorganism-contaminated water. Methods: Patients with oropharyngeal tularemia aged under 18 years and diagnosed between January 01, 2017, and December 31, 2020, were evaluated retrospectively. Tularemia was diagnosed in patients with compatible histories, symptoms, clinical presentations, and laboratory test results. Results: The mean age of 38 children was 12...
April 23, 2024: Vector Borne and Zoonotic Diseases
Bakary Doukouré, Yann Le Pennec, Cécile Troupin, Solène Grayo, Martin Eiden, Martin H Groschup, Noël Tordo, Pierre Roques
Background: Hepatitis E virus (HEV) is transmitted by the fecal route, usually through contaminated water in humans and/or infected animals, especially pigs. The objective of this study was to evaluate the level of anti-HEV antibodies in a panel of pig sera and to identify HEV in pig feces in farms. Methodology: The presence of HEV antibodies was tested by an in-house ELISA and a commercial ELISA IDvet. HEV genome was assessed by nested RT-PCR, and then, genotype was identified by sequencing (MinION Nanopore technology)...
April 23, 2024: Vector Borne and Zoonotic Diseases
John F Anderson, Goudarz Molaei, Durland Fish, Philip M Armstrong, Noelle Khalil, Samuel Brudner, Michael J Misencik, Angela Bransfield, Michael Olson, Theodore G Andreadis
Background: West Nile virus (WNV), Everglades virus (EVEV), and five species of Orthobunyavirus were isolated from mosquitoes collected in the Everglades in 2016-2017. Prior studies of blood meals of mosquitoes in southern Florida have related findings to acquisition and transmission of EVEV, St. Louis encephalitis virus, and WNV, but not the Orthobunyavirus viruses associated with the subgenus Melanoconion of the genus Culex . Materials and Methods: In the present study, blood-fed mosquitoes were collected in the Everglades in 2016, 2017, 2021, and 2022, and from an industrial site in Naples, FL in 2017...
April 22, 2024: Vector Borne and Zoonotic Diseases
Alyssa T Pyke, Peter Burtonclay, Nirdesh Poudel, Wayne Ingall, Neelima Nair, Sonja Hall-Mendelin, Scott B Craig, Craig Smith, Wei Wang, Jonathan M Darbro, Cassie C Jansen, Andrew F van den Hurk
Introduction: Widespread transmission of Japanese encephalitis virus (JEV) genotype four (GIV) occurred across mainland Australia in 2022. This resulted in forty-five human cases, including seven deaths, and the identification of JEV infection in over 80 commercial piggeries. Materials and Methods: We collected mosquitoes which were trapped using CO2 -baited light traps deployed near piggeries reporting disease or in regions linked to human cases in the Wide Bay region in the state of Queensland. Mosquitoes from four traps yielded JEV RNA by real-time RT-PCR...
April 15, 2024: Vector Borne and Zoonotic Diseases
Georgi M Stoimenov, Simona Tchakarova
Background: Leishmaniasis is a zoonotic protozoan infection which is endemic in parts of Europe. Dogs are commonly affected by Leishmania infantum and are regarded as the main reservoir for humans' infection. Sporadic human cases are reported annually, mainly from the endemic south part of Bulgaria. However, no recent data on canine leishmaniasis geographical distribution in Bulgaria have been published. The aim of this study was to investigate the current seroprevalence rate of L. infantum in stray dogs from areas where this infection was not previously reported...
April 15, 2024: Vector Borne and Zoonotic Diseases
Jayshree L Shukla, Aliabbas A Husain, Lokendra Singh, Surya Bhan, Rajpal S Kashyap
Objective: In this study we evaluated the utility of Abortus Melitensis Ovis Suis Brucella PCR (AMOS PCR) for the molecular characterization of Brucella species and analyzed the associated risk factors for brucellosis in Central Indian and Meghalayan population. Methods: AMOS PCR was carried out in a total of 160 BSCP-31 PCR-positive DNA samples isolated previously from the blood of Central Indian ( n  = 90) and Meghalayan cohorts ( n  = 70). Clinical and associated risk factors recorded earlier were used to establish strain-specific disease outcomes in study cohorts...
April 12, 2024: Vector Borne and Zoonotic Diseases
Umut Devrim Binay, Orçun Barkay, Faruk Karakeçili, Özlem Gül, Ceyda Tanoğlu, Betül Sümer
No abstract text is available yet for this article.
April 12, 2024: Vector Borne and Zoonotic Diseases
Berna Yanmaz, Ediz Kağan Özgen, Orbay Sayı, Yasemin Erdoğan, Mehtap Hülya Aslan, Sibel İba Yılmaz, Elif Karadeniz Pütür, Nebahat Polat, Murat Özmen, Perihan Şerifoğlu Bağatır, Sedat Ildız
Background: Brucellosis is the most important public health problem worldwide, and the annual incidence of the disease in humans is 2.1 million. The Brucella genome is highly conserved, with over 90% similarity among species. The aim of this study was to perform species-level identification of Brucella spp. strains isolated from humans diagnosed with brucellosis and to further investigate the phylogenetic relationships using multiple locus variable number of tandem repeats analysis (MLVA)-16 and 16S rRNA sequencing analysis...
April 12, 2024: Vector Borne and Zoonotic Diseases
Negar Narimisa, Shabnam Razavi, Faramarz Masjedian Jazi
Background: Brucellosis is a zoonosis disease that can affect humans and a wide range of domestic and wild animals. Susceptibility to brucellosis in humans can be related to various factors, such as nutritional and occupational factors. This study evaluated factors related to brucellosis and identified influential risk factors for human infection. Methods: We performed a systematic literature review and meta-analysis of studies in PubMed, Web of Science, and Scopus. Crude odds ratios (ORs) with 95% confidence intervals (CIs) were used to measure the strength of the association between some potential factors and the risk of brucellosis...
April 9, 2024: Vector Borne and Zoonotic Diseases
Sergey Y Kovalev, Viktoriya Y Okulovskaya
Objectives: Tick-borne encephalitis virus Siberian subtype (TBEV-Sib) and Omsk hemorrhagic fever virus (OHFV) are causative agents of natural focal infections in Western Siberia, Russia. The distribution of TBEV phylogenetic lineages and OHFV in the Kemerovo Region of Western Siberia remains poorly investigated. Methods: The phylogenetic analyses of fragment genome sequences 26 flaviviruses identified in 2019 were performed, and the amino acid variation was determined to reveal to which clusteron they belong...
April 8, 2024: Vector Borne and Zoonotic Diseases
Jie Wan, Jian Ding, Xiaoli Zhang, Xinyi Hu, Rui Chen, Su Han
Background: Clonorchiasis remains a serious public health problem. However, the molecular mechanism underlying clonorchiasis remains largely unknown. Amino acid (AA) metabolism plays key roles in protein synthesis and energy sources, and improves immunity in pathological conditions. Therefore, this study aimed to explore the AA profiles of spleen in clonorchiasis and speculate the interaction between the host and parasite. Methods: Here targeted ultrahigh performance liquid chromatography multiple reaction monitoring mass spectrometry was applied to discover the AA profiles in spleen of rats infected with Clonorchis sinensis ...
April 4, 2024: Vector Borne and Zoonotic Diseases
Georgios Dougas, Regina Vorou, Aristomenis Katsiolis, Danai Kalotychou, Panagiotis Katerelos, Sotirios Tsiodras, Kassiani Mellou
Introduction: The Epizootiological Investigation Form (EIF) is a document issued for every notified human brucellosis case, with the aim to convey information from public health to veterinary authorities for farm animals epidemiologically linked with the patient. We assessed the integration of EIF to the routine collaboration among stakeholders and the efficiency in directing the veterinary efforts to identify Brucella -infected animals. Methods: EIFs were evaluated for the implementation, timeliness, and completeness of the shared information provided by the public health and the veterinary authorities...
April 3, 2024: Vector Borne and Zoonotic Diseases
Ashuza Kuderha, Wisdom Adingo, Bruno Chikere, Mugisho Kulimushi, Kala Jules
Background: There is a need to identify different insecticide resistance profiles that represent circumscription-encapsulation of knowledge about malaria vectors' insecticide resistance to increase our understanding of malaria vectors' insecticide resistance dynamics. Methods: Data used in this study are part of the aggregation of over 20,000 mosquito collections done between 1957 and 2018. We applied two data preprocessing steps. We developed three clustering machine learning models based on the K-means algorithm with three selected datasets...
April 3, 2024: Vector Borne and Zoonotic Diseases
Laldja Bouaoud, Lynda Aissaoui, Ariane Dor
Objective: The study explored larval mosquito breeding sites in urban and rural areas from March 2021 to February 2022 in the North-East region of Algeria to provide information on larval biology and ecology of different mosquito species. Methodology: It focused on the effect of the physicochemical characteristics of the breeding sites (pH and water temperature), area, and months on the larval mosquito abundance. Diversity index and equitability were calculated for the registered mosquito species in both areas...
April 3, 2024: Vector Borne and Zoonotic Diseases
Raskit Lachmann, Cristina Domingo, Christina Frank, Andreas Ochs, Andreas Karl Pauly, Marijke Weber-Schehl, Michael Schmidt, Torsten Tonn, Thomas H Müller, Luisa Barzon, Alessandro Sinigaglia, Sarah Esquevin, Karina Preußel, Ruth Offergeld
Background: Autochthonous human West Nile virus (WNV) infections were notified in the infectious disease surveillance system in Germany in 2018 for the first time and every year since then. Since clinically apparent infections are infrequent, we conducted two studies to investigate subclinical infections of this emerging disease in Germany in 2019 to detect infections not visible to surveillance based on symptomatic infections: limited-scope blood donor testing and a serosurvey among employees at two Berlin zoos with a history of demonstrated WNV infections in animals...
April 3, 2024: Vector Borne and Zoonotic Diseases
Natacha Sohn-Hausner, Louise Bach Kmetiuk, Warley Vieira de Freitas Paula, Luiza Gabriella Ferreira de Paula, Felipe da Silva Krawczak, Alexander Welker Biondo
Background: Ehrlichia canis has been the main hemopathogen affecting domestic dogs in Brazil. Even though tick-infested dogs may lead to household infestation and predispose human exposure and public health concern, no comprehensive study has surveyed humans, dogs, and environmental ticks altogether. Materials and Methods: Accordingly, the present study aimed to assess tick-infested households, identify tick species, perform serological (immunofluorescence assay) and molecular (PCR and q-PCR) detection of Ehrlichia in ticks, in the eighth biggest metropolitan area of Brazil...
March 19, 2024: Vector Borne and Zoonotic Diseases
Miray Yılmaz Çelebi, Elif Böncüoğlu, Elif Kıymet, Şahika Şahinkaya, Ela Cem, Mustafa Gülderen, Pelin Kaçar, Eda Özdağ, Aybüke Akaslan Kara, Gizem Güner Özenen, Yelda Sorguç, Fahri Yüce Ayhan, Hurşit Apa, Süleyman Nuri Bayram, İlker Devrim
Introduction: Brucellosis, which is among the endemic regions of Turkey, is a common zoonotic disease. The gold standard in diagnosing brucellosis is culture. We aimed to compare demographic characteristics, risk factors, and clinical and laboratory variables between cases with culture positivity and undetected in culture. Materials and Methods: This single-center study was conducted between January 2007 and April 2022. Clinical and laboratory data of patients with brucella growth in blood culture and patients without growth were compared...
March 11, 2024: Vector Borne and Zoonotic Diseases
Syrine Rekik, Ines Hammami, Oumayma Timoumi, Dhekra Maghzaoua, Médiha Khamassi Khbou, Ansgar Schulz, Martin H Groshup, Mohamed Gharbi
Crimean-Congo hemorrhagic fever (CCHF) is a zoonotic tick-borne disease, caused by an arbovirus of the genus Orthonairovirus and the family Nairoviridae. Crimean-Congo hemorrhagic fever virus (CCHFV) is widespread in several regions of the world. While the virus is not pathogenic to all susceptible livestock and wild mammals, it can lead to severe hemorrhagic fever in humans. In this review, we compiled published data on CCHFV infections in humans, animals, and ticks in Tunisia. Based on that, we discussed the epidemiology and the distribution patterns of CCHFV infections highlighting the risk factors for this virus in the country...
March 8, 2024: Vector Borne and Zoonotic Diseases
Tania Kapoor, Lilly Murray, Maria Kuvaldina, Caroline S Jiang, Avery A Peace, Marianna Agudelo, Andrea Jurado, Davide F Robbiani, Oliver Klemens, Erik Lattwein, Maite Sabalza, Brian A Fallon, Margaret R MacDonald
Introduction: Lyme disease (LD) affects ∼476,000 people each year in the United States. Symptoms are variable and include rash and flu-like symptoms. Reasons for the wide variation in disease outcomes are unknown. Powassan virus (POWV) is a tick-borne flavivirus that causes disease ranging from asymptomatic infection to encephalitis, neurologic damage, and death. POWV and LD geographic case distributions overlap, with Ixodes species ticks as the common vectors. Clinical ramifications of coinfection or sequential infection are unknown...
March 1, 2024: Vector Borne and Zoonotic Diseases
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