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https://www.readbyqxmd.com/read/27909915/a-systematic-review-of-leptospirosis-on-dogs-pigs-and-horses-in-latin-america
#1
REVIEW
Priscila S Pinto, Hugo Libonati, Walter Lilenbaum
Leptospirosis is a worldwide zoonosis which can affect many species. Control programs need accurate diagnosis to be successful, and currently, diagnosis relies on serology. It presents three main issues: the sampling, the antigen panel, and the cutoff point. Herein, we propose a systematic review on leptospirosis among dogs, pigs, and horses in Latin America in order to improve the understanding of the seroepidemiology of leptospirosis in these species in the region as well as the temporal development of the research on this topic and, consequently, improve the chances of success on control programs...
December 1, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27895271/examination-of-antibody-responses-as-a-measure-of-exposure-to-malaria-in-the-indigenous-batwa-and-their-non-indigenous-neighbors-in-southwestern-uganda
#2
Manisha A Kulkarni, Gala Garrod, Lea Berrang-Ford, Isaac Ssewanyana, Sherilee L Harper, Nestor Baraheberwa, Blanaid Donnelly, Kaitlin Patterson, Didacus B Namanya, Shuaib Lwasa, Chris Drakeley
Understanding variations in malaria transmission and exposure is critical to identify populations at risk and enable better targeting of interventions. The Indigenous Batwa of southwestern Uganda have a disproportionate burden of malaria infection compared with their non-Indigenous neighbors. To better understand the individual- and community-level determinants of malaria exposure, a seroepidemiological study was conducted in 10 local council cells in Kanungu District, Uganda, in April 2014. The Batwa had twice the odds of being seropositive to two Plasmodium falciparum-specific antigens, apical membrane antigen-1 and merozoite surface protein-119, compared with the non-Indigenous Bakiga (odds ratio = 2...
November 28, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27890871/chagas-disease-in-mexico-report-of-14-cases-of-chagasic-cardiomyopathy-in-children
#3
Paz María Salazar-Schettino, Margarita Cabrera-Bravo, Clara Vazquez-Antona, Edgar Zenteno, Mariana De Alba-Alvarado, Elia Torres Gutierrez, Yolanda Guevara Gomez, María Gabriela Perera-Salazar, Guadalupe Garcia de la Torre, Martha Irene Bucio-Torres
Chagas disease is a parasitic infection mainly found in Latin America; it is transmitted by a triatomine, also known as assassin bug or kissing bug. In humans, the parasite causes mostly cardiac disorders. Two-thirds of the Mexican territory are regarded as risk areas for vector transmission of Trypanosoma cruzi, the causal agent. The parasite can be found as a blood-borne trypomastigote or as an intracellular amastigote. The progression and severity of lesions could be due to frequent reinfections or to infection by highly virulent strains...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27887586/hepatitis-e-virus-seroepidemiology-a-post-earthquake-study-among-blood-donors-in-nepal
#4
Ashish C Shrestha, Robert L P Flower, Clive R Seed, Manita Rajkarnikar, Shrawan K Shrestha, Uru Thapa, Veronica C Hoad, Helen M Faddy
BACKGROUND: As one of the causative agents of viral hepatitis, hepatitis E virus (HEV) has gained public health attention globally. HEV epidemics occur in developing countries, associated with faecal contamination of water and poor sanitation. In industrialised nations, HEV infections are associated with travel to countries endemic for HEV, however, autochthonous infections, mainly through zoonotic transmission, are increasingly being reported. HEV can also be transmitted by blood transfusion...
November 25, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27879463/a-tale-of-two-flaviviruses-a-seroepidemiological-study-of-dengue-virus-and-west-nile-virus-transmission-in-the-ouest-and-sud-est-departments-of-haiti
#5
Thomas A Weppelmann, Alexandra Burne, Michael E von Fricken, Maha A Elbadry, Madsen Beau De Rochars, Jacques Boncy, Bernard A Okech
Though plans to eliminate malaria from the island of Hispaniola have recently received much attention, arbovirus surveillance continues to be largely neglected in Haiti. To support surveillance efforts and encourage vector-control strategies, a cross-sectional study of dengue virus (DENV) and West Nile virus (WNV) transmission was conducted using standard seroepidemiological methods. Blood samples (N = 673) were collected from 278 males and 395 females from three locations in the Ouest and Sud-Est Departments of Haiti...
November 22, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27866494/brucellosis-as-a-neglected-disease-in-a-neglected-population-a-seroepidemiological-study-of-migratory-nomads-in-the-fars-province-of-iran
#6
B Honarvar, M Moghadami, K B Lankarani, M A Davarpanah, M Ataolahi, A Farbod, E Eskandari, M Panahi, A Ghorbani, Z Zahiri, R Tabrizi, M Pourjafar, S M M Heidari
This study assessed the seroprevalence of brucellosis and its risk factors in migratory nomads in the Fars province of Iran. Active brucellosis was defined as the combination of clinical symptoms, including fever, chills, night sweats, headache, low back pain, arthralgia, or myalgia, and positive laboratory testing, including either a serum agglutination test (SAT) ⩾1:80 with a 2-mercaptoethanol (2-ME) test ⩾1:40, or a SAT <1:80 combined with a positive Coombs Wright test (CWT) at a titre of at least threefold higher than SAT titre results...
November 21, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27863521/seroprevalence-of-bovine-theileriosis-in-northern-china
#7
Yaqiong Li, Zhijie Liu, Junlong Liu, Jifei Yang, Qian Li, Pengfei Guo, Guiquan Guan, Guangyuan Liu, Jianxun Luo, Hong Yin, Youquan Li
BACKGROUND: Bovine theileriosis is a common disease transmitted by ticks, and can cause loss of beef and dairy cattle worldwide. Here, an indirect enzyme-linked immunosorbent assay (iELISA) based on Theileria luwenshuni surface protein (TlSP) was developed and used to carry out a seroepidemiological survey of bovine theileriosis in northern China. METHODS: We used the BugBuster Ni-NTA His•Bind Purification Kit to purify recombinant TlSP (rTlSP), which was subsequently analyzed by Western Blotting to evaluate cross-reactivity with other pathogen-positive sera...
November 18, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27847430/seroepidemiological-survey-of-neospora-caninum-and-its-risk-factors-in-farm-dogs-in-nakuru-district-kenya
#8
Tequiero Abuom Okumu, John Njenga Munene, James Wabacha, Victor Tsuma, John Van Leeuwen
AIM: The objective of this study was to determine the seroprevalence of Neospora caninum (NC) and its risk factors in farm dogs in Kenya. MATERIALS AND METHODS: As part of a longitudinal study on dairy cattle abortion in 2010 in Kenya, serum samples were collected from 84 dogs in 53 randomly selected dairy cattle farms to determine the seroprevalence and risk factors of seropositivity for NC. RESULTS: 15 (17.9%) of the dogs were seropositive to NC antibodies, and at least one seropositive dog was found in 12 (22...
October 2016: Veterinary World
https://www.readbyqxmd.com/read/27829953/high-prevalence-of-toxoplasma-gondii-infection-in-miners-a-case-control-study-in-rural-durango-mexico
#9
Cosme Alvarado-Esquivel, Sandy Janet Pacheco-Vega, Jesus Hernandez-Tinoco, Luis Omar Berumen-Segovia, Luis Francisco Sanchez-Anguiano, Sergio Estrada-Martinez, Ada Agustina Sandoval-Carrillo, Jose Manuel Salas-Pacheco, Oliver Liesenfeld, Elizabeth Irasema Antuna-Salcido
BACKGROUND: Very little is known about the seroepidemiology of infection with the parasite Toxoplasma gondii (T. gondii) in miners. We determine the association of T. gondii infection and the occupation of miner, and the association of seropositivity for T. gondii with the socio-demographic, clinical, work and behavioral characteristics of the miners. METHODS: Through a case-control study, 125 miners working in Durango State, Mexico and 250 age- and gender-matched non-miner subjects were examined for the presence of anti-T...
December 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27809983/seroepidemiologic-study-on-the-prevalence-of-toxoplasma-gondii-and-trichinella-spp-infections-in-black-bears-ursus-americanus-in-pennsylvania-usa
#10
Jitender P Dubey, Justin Brown, Mark Ternent, Shiv K Verma, Dolores E Hill, Camila K Cerqueira-Cézar, Oliver C H Kwok, Rafael Calero-Bernal, Jan G Humphreys
The protozoan Toxoplasma gondii and the metazoan Trichinella spp. infect virtually all warm-blooded animals, including birds, humans, livestock, and marine mammals. Both parasitic infections can cause serious illness in human beings and can be acquired by ingesting under-cooked meat harboring infective stages. Approximately 3500 black bears (Ursus americanus) are legally-harvested each year in Pennsylvania, USA during the November hunting season. Among animals found infected with T. gondii, the prevalence of T...
October 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27793612/high-seroprevalence-for-indigenous-spotted-fever-group-rickettsiae-in-forestry-workers-from-the-federal-state-of-brandenburg-eastern-germany
#11
Silke Wölfel, Stephanie Speck, Sandra Essbauer, Bryan R Thoma, Marc Mertens, Sandra Werdermann, Olaf Niederstrasser, Eckhardt Petri, Rainer G Ulrich, Roman Wölfel, Gerhard Dobler
In the last decade six Rickettsia species, including Rickettsia slovaca have been characterized in Germany. All of these species could be linked to distinct clinical syndromes in humans. However, due to lack of seroepidemiological data an estimation of the prevalence and the public health impact of rickettsial infections in Germany is difficult. The aim of the present study was to determine the seroprevalence of spotted fever group (SFG) rickettsiae in a population with an elevated exposure risk to ticks. For that purpose, 559 sera of forestry workers in the federal state of Brandenburg, Eastern Germany, were screened for SFG-rickettsiae reactive IgG antibodies...
October 22, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27785638/seroepidemiology-of-hev-and-hav-in-two-populations-with-different-socio-economic-levels-and-hygienic-sanitary-conditions
#12
M Zuin, C Caserta, L Romanò, A Mele, A Zanetti, R Cannatelli, A Giorgini, C Tagliacarne, A Amante, F Marcucci, P M Battezzati
The epidemiological scenarios of hepatitis E virus (HEV) and hepatitis A virus (HAV) infections have changed in the last few decades, but precise epidemiological data on the prevalence of anti-HEV and anti-HAV, alone or in combination, in the general population are scanty. We investigated HEV and HAV seroprevalence comparing two population samples living in Northern (Abbiategrasso, Milan) and Southern Italy (Cittanova, Reggio Calabria), the latter being characterized by a poorer socio-economic level and hygienic/sanitary conditions...
October 26, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27729507/how-did-zika-virus-emerge-in-the-pacific-islands-and-latin-america
#13
John H-O Pettersson, Vegard Eldholm, Stephen J Seligman, Åke Lundkvist, Andrew K Falconar, Michael W Gaunt, Didier Musso, Antoine Nougairède, Remi Charrel, Ernest A Gould, Xavier de Lamballerie
The unexpected emergence of Zika virus (ZIKV) in the Pacific Islands and Latin America and its association with congenital Zika virus syndrome (CZVS) (which includes microcephaly) and Guillain-Barré syndrome (GBS) have stimulated wide-ranging research. High densities of susceptible Aedes spp., immunologically naive human populations, global population growth with increased urbanization, and escalation of global transportation of humans and commercial goods carrying vectors and ZIKV undoubtedly enhanced the emergence of ZIKV...
October 11, 2016: MBio
https://www.readbyqxmd.com/read/27728851/association-between-infectious-burden-socioeconomic-status-and-ischemic-stroke
#14
Frederick Palm, Pirkko J Pussinen, Annette Aigner, Heiko Becher, Florian Buggle, Matthias F Bauer, Caspar Grond-Ginsbach, Anton Safer, Christian Urbanek, Armin J Grau
BACKGROUND AND AIMS: Infectious diseases contribute to stroke risk, and are associated with socioeconomic status (SES). We tested the hypotheses that the aggregate burden of infections increases the risk of ischemic stroke (IS) and partly explains the association between low SES and ischemic stroke. METHODS: In a case-control study with 470 ischemic stroke patients and 809 age- and sex-matched controls, randomly selected from the population, antibodies against the periodontal microbial agents Aggregatibacter actinomycetemcomitans and Porphyromonas gingivalis, against Chlamydia pneumonia, Mycoplasma pneumoniae (IgA and IgG), and CagA-positive Helicobacter pylori (IgG) were assessed...
October 5, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27716374/prevalence-of-angiostrongylus-vasorum-in-southern-belgium-a-coprological-and-serological-survey
#15
Laetitia Lempereur, Ludovic Martinelle, Françoise Marechal, Calixte Bayrou, Anne Catherine Dalemans, Manuela Schnyder, Bertrand Losson
BACKGROUND: Canine angiostrongylosis, a gastropod-borne helminthic infection, is increasingly being described in North America and is now reported in many European countries. In dogs, Angiostrongylus vasorum may cause a wide spectrum of clinical signs. Respiratory distress such as coughing and dyspnoea are the most frequently described manifestations. The aim of the present study was to gain additional information on the distribution, prevalence and risk factors associated with A. vasorum infection in dog from southern Belgium through the combined used of a commercially available in-clinic assay for detection of circulating antigen (Angio Detect™, IDEXX, Westbrook, USA) and coprology in two different canine populations: dogs with clinical signs compatible with angiostrongylosis and asymptomatic dogs or dogs presented for unrelated conditions (control)...
October 6, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27696445/seroepidemiology-of-hepatitis-a-and-b-and-vaccination-status-in-staff-at-german-schools-for-the-handicapped
#16
Matthias Claus, Renate Kimbel, Klaus Schöne, Stephan Letzel, Dirk-Matthias Rose
This study aims to assess serostatus and vaccination status of hepatitis A and B among staff at schools for the handicapped. We also wanted to investigate factors associated with serostatus, number of infections with hepatitis A/hepatitis B at work, and factors influencing being vaccinated or not. The cross-sectional study was carried out between August 2010 and August 2012 at 13 German schools for severely handicapped. Data were analyzed using blood samples, vaccination documents, and questionnaires. A total of 395 persons participated in our study (response: 59...
October 3, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27660861/seroepidemiological-study-of-canine-leishmania-infantum-and-toxoplasma-gondii-infections-in-shanghai-china-and-analysis-of-risk-factors
#17
Wei Jiang, Yan Wang, Yingchun Liu, Tao Li, Yongjun Chen, Shaohui Wang, Xiangan Han, Quan Wang
The aim of this study was to determine the seroprevalence of Leishmania infantum and Toxoplasma gondii among household dogs in Shanghai (the most important industrial and commercial city in China), and to assess the possible risk factors associated with the infection. During 2014-2015, a total of 408 sera were collected from healthy household dogs and tested for L. infantum and T. gondii infection using commercial ELISA kits. The endemic characteristics according to gender, age group and breed were revealed by statistical descriptions and inference...
September 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/27622652/different-antibody-response-against-the-coxsackievirus-a16-vp1-capsid-protein-specific-or-non-specific
#18
Yingying Ding, Zhihong Wang, Xi Zhang, Zheng Teng, Caixia Gao, Baohua Qian, Lili Wang, Jiaojiao Feng, Jinhong Wang, Chunyan Zhao, Cunjiu Guo, Wei Pan
Coxsackievirus A16 (CA16) is one of the major causative agents of hand, foot, and mouth disease worldwide. The non-neutralizing antibody response that targets CA16 VP1 remains poorly elucidated. In the present study, antibody responses against CA16 VP1 in Shanghai blood donors and Shanxi individuals were analyzed by ELISA and inhibitory ELISA using five CA16 VP1 antigens: VP11-297, VP141-297, VP11-60, VP145-58 and VP161-297. The correlation coefficients for most of the reactions against each of the five antigens and the inhibition of the anti-CA16 VP1 antibody response produced by the various antigens were higher in Shanghai blood donors compared to those in Shanxi individuals...
2016: PloS One
https://www.readbyqxmd.com/read/27618917/seroepidemiology-of-rickettsial-infections-in-northeast-india
#19
Siraj Ahmed Khan, Trishna Bora, Suchismita Chattopadhyay, Ju Jiang, Allen L Richards, Prafulla Dutta
BACKGROUND: Resurgence of scrub typhus was reported in Northeast India in 2010 after a gap of 67 years since World War II. However, the presence of other rickettsial infections remained unknown from this region. A seroepidemiological investigation was undertaken in the scrub typhus affected areas from 2013-2015 in Assam, Arunachal Pradesh and Nagaland to assess the exposure to other rickettsial diseases besides scrub typhus. METHODS: Samples were collected from people residing in scrub typhus reporting areas...
August 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27599701/seroepidemiology-of-cytomegalovirus-infections-in-croatia
#20
Tatjana Vilibic-Cavlek, Branko Kolaric, Natasa Beader, Izabela Vrtar, Irena Tabain, Gordana Mlinaric-Galinovic
BACKGROUND: Cytomegalovirus (CMV) is endemic worldwide, with marked differences in the seroprevalence rates between countries. The aim of this study was to analyze the seroprevalence of CMV infections in Croatia. METHODS: During a 3-year period (2013-2015) 2438 consecutive serum samples collected from Croatian residents were tested for the presence of CMV IgM and IgG antibodies using enzyme-linked immunoassay. The IgM/IgG positive samples were further tested for IgG avidity...
September 6, 2016: Wiener Klinische Wochenschrift
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