Resultados de búsqueda - "Epidemiology"

An Ibero-American inter-laboratory trial to evaluate serological tests for the detection of anti-Neospora caninum antibodies in cattle por Campero, Lucía María, Moreno-Gonzalo, Javier, Venturini, María Cecilia, Moré, Gastón, Dellarupe, Andrea, Rambeaud, Magdalena, Echaide, Ignacio Eduardo, Valentini, Beatriz Susana, Campero, Carlos Manuel, Moore, Prando Dadin, Cano, Dora Beatriz, Fort, Marcelo Cristian, Mota, Rinaldo A., Serrano-Martínez, Marcos E., Cruz-Vázquez, Carlos, Ortega-Mora, Luis M., Álvarez-García, Gema

“…Diagnostic performance of the serological tests was calculated and compared according to the following criteria: (1) the “Pre-test information,” which uses previous epidemiological and serological data; (2) the “Majority of tests,” which classifies a serum as positive or negative according to the results obtained by most tests evaluated. …”
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First report of Anaplasma marginale infection in goats, Brazil por da Silva, Nayara B., Taus, Naomi S., Johnson, Wendell C., Mira, Anabela, Schnittger, Leonhard, Valente, Jessica D. M., Vidotto, Odilon, Masterson, Hayley E., Vieira, Thállitha S. W. J., Ueti, Massaro W., Vieira, Rafael F. C.

“…A total of 403 goat blood samples were included in the study. An epidemiological questionnaire was applied to each farm owner addressing age, gender, presence of ticks and multispecies grazing. …”
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Wheat curl mite, Aceria tosichella, and transmitted viruses: an expanding pest complex affecting cereal crops por Navia, Denise, Mendonça, Renata Santos de, Skoracka, Anna, Szydło, Wiktoria, Knihinicki, Danuta, Hein, Gary L., Pereira, Paulo Roberto Valle da Silva, Truol, Graciela Ana Maria, Lau, Douglas

“…Information about the main viruses transmitted by WCM is also included and the epidemiological relationships involved in this vectored complex of viruses are also addressed. …”
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Surveillance and characterization of drug‑resistant mycobacterium tuberculosis isolated in a reference hospital from Argentina during 8 years’ period por Imperiale, Belen Rocio, Di Giulio, Angela Beatríz, Mancino, María Belén, Zumarraga, Martin Jose, Morcillo, Nora

“…However, according to the last national epidemiological report released in 2018, since 2013, the trends are steadily increasing. …”
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First record of clinical coccidiosis (Eimeria ovinoidalis) in adult sheep from northwestern Argentina por Olmos, Leandro Hipolito, Colque Caro, Luis Adrián, Avellaneda Cáceres, Agustín, Medina, Diego M., Sandoval, Gabriela V., Aguirre, Daniel Hector, Micheloud, Juan Francisco

“…An outbreak of the disease in adult sheep from Salta province, northwestern Argentina, was studied to establish its clinical, epidemiological, pathological and etiological aspects. …”
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Frequency of bovine viral diarrhea virus (BVDV) in Argentinean bovine herds and comparison of diagnostic tests for BVDV detection in bovine serum samples: a preliminary study por Spetter, Lucas Maximiliano, Louge Uriarte, Enrique Leopoldo, Armendano, Joaquín Ignacio, Alvarez, Ignacio, Norero, Natalia Sigrid, Storani, Leonardo, Pereyra, Susana Beatriz, Verna, Andrea Elizabeth, Odeon, Anselmo Carlos, Gonzalez Altamiranda, Erika

“…Also, this study demonstrated that the four diagnostic tests can be used reliably for BVDV identification in individual serum samples. Further epidemiologically designed studies that address prevalence, risk factors, and economic impact of BVDV in Argentina will be necessary to implement effective control programs.…”
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Genetic diversity of Mycobacterium avium sp. Paratuberculosis by mycobacterial interspersed repetitive unit–variable number tandem repeat and multi‑locus short‑sequence repeat one‑... por Moyano, Roberto Damián, Imperiale, Belen Rocio, Romero, Magalí, Santangelo, María De La Paz, Alvarado Pinedo, Maria Fiorella, Travería, Gabriel, Romano, Maria Isabel

“…Background: Paratuberculosis is an enteric disease caused by Mycobacterium avium sp. paratuberculosis (MAP) that affects mainly ruminant producing losses to the livestock industry. Many molecular epidemiological methods have been used to discriminate MAP isolates. …”
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Conventional and Real-Time PCRs for Detection of Erwinia piriflorinigrans Allow Its Distinction from the Fire Blight Pathogen, Erwinia amylovora por Barbé, Silvia, Bertolini, Edson, Roselló, Montserrat, Llop, Pablo, López, María M.

“…Therefore, these new tools can be used in epidemiological studies that will enhance our understanding of the life cycle of E. piriflorinigrans in different hosts and plant tissues and its interaction with E. amylovora.…”
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Tissue-print and squash real-time PCR for direct detection of 'Candidatus Liberibacter' species in citrus plants and psyllid vectors por Bertolini, Edson, Felipe, R. T. A., Sauer, A. V., Lopes, S. A., Arilla, A., Vidal, Eduardo, Mourao Filho, F. A. A., Nunes, W. M. C., Bove, J. M., López, María M., Cambra, Mariano

“…The simplified direct methods of sample preparation presented herein can be effectively adopted for use in rapid screening of HLB agents in extensive surveys, certification schemes or for epidemiological and research studies.…”
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Comparison of monoclonal antibodies and polymerase chain reaction assays for the typing of isolates belonging to the D and M serotypes of plum pox potyvirus por Candresse, Thierry, Cambra, Mariano, Dallot, S., Lanneau, M., Asensio, M., Gorris, María T., Revers, F., Macquaire, G., Olmos, Antonio, Boscia, D., Quiot, J. B., Dunez, J.

“…Plum pox potyvirus (PPV) isolates may be divided into four groups separated by serological, molecular, and epidemiological differences. Monoclonal antibodies specific for the two major groups of isolates, represented by the D and M serotypes of the virus, have been obtained. …”
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Search for reservoirs of 'Candidatus Liberibacter solanacearum' and mollicutes in weeds associated with carrot and celery crops por Alfaro-Fernández, Ana, Verdeguer, Mercedes, Rodríguez-León, Francisco, Ibanez, Isabel, Hernández, Desamparados, Teresani, Gabriela, Bertolini, Edson, Cambra, Mariano, Font-San-Ambrosio, Isabel

“…This suggests that weeds do not play an epidemiological role as reservoirs in the spread of such organisms in the studied region. …”
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Multiplex real-time PCR for detection and quantification of Colletotrichum abscissum and C. gloeosporioides on Citrus leaves por Pereira, W. V., Bertolini, Edson, Cambra, Mariano, Massola Junior, N. S.

“…Thus, detecting and quantifying pathogens on leaves are critical for epidemiological studies. Colletotrichum species are detected through isolation, serological methods and conventional PCR, but these techniques are not effective for accurate detection of PFD agents. …”
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Huanglongbing (HLB) and its vectors: recent research advances and future challenges por Pérez-Hedo, Meritxell, Hoddle, Mark S., Alferez, Fernando, Tena, Alejandro, Wade, Tara, Shourish, Chakravarty, Wang, Nian, Stelinski, Lukasz L., Urbaneja, Alberto

“…This review provides a comprehensive overview of biological and epidemiological aspects of HLB and its vectors, focusing on recent advances in understanding of the biology of the pathogen and vector-host interactions. …”
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Plátano en la zona central de Colombia. por Lescot, Thierry, Grisales López, F.

“…De 1990 a 1992 se realizó una encuesta de diagnóstico multifactorial, introducción de germoplasma y estudios sobre la epidemiologIa de las enfermedades causadas por Mycosphaerella. …”
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Niveles inmunitarios contra fiebre aftosa en bovinos del Urabá antioqueño 1978 - 1985 por Barrera Velandia, José del Carmen, Sánchez M., Camilo, de Bustos, Myriam Q., Cifuentes A., Nelson, González, Manuel S., Jiménez T., José M.

“…Besides, it was confirmed the efficacy of massive and systematic vaccination procedures, complemented by other actions such as control of cattle movement and severe epidemiologic surveillance.…”
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Estatus sanitario de Neospora caninum en ganaderías bovinas de centros de investigación de Agrosavia por Macías Ramírez, Diana Maria

“…For this, an observational epidemiological study was carried out divided into two phases: transversal and longitudinal. …”
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Control biológico de fitopatógenos del suelo por Moreno Velandia, Carlos Andrés, Cotes Prado, Alba Marina, Beltrán Acosta, Camilo Rubén, BETTIOL, WAGNER, Elad, Yigal

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A systematic review and meta-analysis of the aetiological agents of non-malarial febrile illnesses in Africa por Wainaina, M., Silva, D.A.V. da, Dohoo, I., Mayer-Scholl, A., Roesel, Kristina, Hofreuter, D., Roesler, U., Lindahl, Johanna F., Bett, Bernard K., Al Dahouk, S.

“…Conclusion: The small number of epidemiological studies and the variety of NMFI agents on the African continent emphasizes the need for harmonized studies with larger sample sizes. …”
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Maternal depressive symptoms are negatively associated with child growth and development: Evidence from rural India por Nguyen, Phuong Hong, Friedman, Jed, Kak, Mohini, Menon, Purnima, Alderman, Harold

“…MDS (measured using the Center for Epidemiologic Studies Short Depression Scale) was categorized as low, medium, and high in 47%, 42%, and 10% of mothers, respectively. …”
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Incidence rate of Rift Valley fever exposure in humans and livestock from a longitudinal study in Northern Kenya por Muturi, Mathew, Mwatondo, Athman, Nijhof, A.M., Nyamota, Richard, Nthiwa, D., Roesel, Kristina, Wambua, Lillian, Akoko, James M., Thumbi, S.M., Bett, Bernard K.

“…Unfortunately, data on key epidemiological parameters, such as incidence rates, which are crucial for risk assessments and designing targeted interventions, are almost nonexistent. …”
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