Resultados de búsqueda - "Epidemiology"

Population attributable fractions of farm vector tick (Rhipicephalus appendiculatus) presence on Theileria parva infection seroprevalence under endemic instability por Gachohi, John M., Kitala, P.M., Ngumi, P.N., Skilton, Robert A., Bett, Bernard K.

“…This study provides a preliminary basis for evaluating the potential value and utility of estimating PAFs for variables amenable to control in tick-borne diseases (TBDs) epidemiological studies.…”
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Leptospira seroprevalence in human and associated factors in Yen Dinh district and Nhu Thanh district, Thanh Hoa province, Vietnam, 2013 por Cong Ngoc Long

“…The research used the Leptospira immunoglobulin G enzyme-linked immunosorbent assay (IgG ELISA) method to diagnose leptospirosis in the area. An epidemiological survey was also conducted in 8 clusters representing 300 people randomly selected and aged 18-60 years. …”
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No gold standard estimation of the sensitivity and specificity of two molecular diagnostic protocols for Trypanosoma brucei spp. in Western Kenya por Bronsvoort, B.M. de C., Wissmann, B. von, Fèvre, Eric M., Handel, Ian G., Picozzi, K., Welburn, S.C.

“…A range of polymerase chain reactions (PCR) have been developed as important molecular diagnostic tools for epidemiological investigations of T. brucei s.l. in the animal reservoir and of its zoonotic potential. …”
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Identification and molecular analysis of antimicrobial resistant Salmonella isolates obtained from pigs slaughtered at Wambizzi abattoir in Uganda por Tinega, G.M.

“…The results also offer general and rapid approaches for identifying genetic diversity of Salmonella serotypes in individual pig carcasses which can be adopted for molecular epidemiological surveys of important food contaminating bacterial pathogens. …”
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Prevalence and molecular characterization of Cryptosporidium spp. and Giardia spp. in environmental samples in Hanam province, Vietnam por Tram Thuy Nguyen, Traub, R., Phuc Pham Duc, Hung Nguyen-Viet, Khuong Cong Nguyen, Cam Dac Phung, Dalsgaard, A.

“…This study was done to evaluate the prevalence and concentrations of these protozoa in environmental samples in Hanam, Vietnam and to assess potential contamination sources using molecular epidemiological tools. A total of 134 environmental samples were collected between February 2009 and July 2009, including 24 river water, 24 sewage, 32 fishpond water, 23 canal water, 26 vegetable and five composted waste samples. …”
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Enfermedades del amarillamiento en cañaverales del Noroeste Argentino : distribución, efecto en el rendimiento y genotipos virales de Sugarcane yellow leaf virus por Asinari, Florencia

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Seguridad biológica por Rocha, Jairo

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Vassleproteiner : en värdefull restprodukt från ostframställning por Joelsson, Erica

Urea’s ability to break the life cycle of Nematodirus spp. in situ por Falkman, Carolina

“…In conclusion, the results from this field trial have demonstrated insufficient evidence that nitrogenous fertilisers provide epidemiological benefits in reducing larval contamination on pasture. …”
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Evaluation of Pneumococcal Load in Blood by Polymerase Chain Reaction for the Diagnosis of Pneumococcal Pneumonia in Young Children in the PERCH Study por Deloria Knoll, Maria, Morpeth, Susan C., Scott, J.Anthony G., Watson, Nora L., Park, Daniel E., Baggett, Henry C., Brooks, W. Abdullah, Feikin, Daniel R., Hammitt, Laura L., Howie, Stephen R.C., Kotloff, Karen L., Levine, Orin S., O’Brien, Katherine L., Thea, Donald M., Ahmed, Dilruba, Antonio, Martin, Awori, Juliet O., Baillie, Vicky L., Chipeta, James, Deluca, Andrea N., Dione, Michel M., Driscoll, Amanda J., Higdon, Melissa M., Jatapai, Anchalee, Karron, Ruth A., Mazumder, Razib, Moore, David P., Mwansa, James, Nyongesa, Sammy, Prosperi, Christine, Seidenberg, Phil, Siludjai, Duangkamon, Sow, Samba O., Tamboura, Boubou, Zeger, Scott L., Murdoch, David R., Madhi, Shabir A., Knoll, Maria Deloria, Fancourt, Nicholas, Fu, Wei, Kagucia, E.Wangeci, Li, Mengying, Wu, Zhenke, Crawley, Jane, Endtz, Hubert P., Zaman, Khalequ, Goswami, Doli, Hossain, Lokman, Jahan, Yasmin, Ashraf, Hasan, Ebruke, Bernard E., McLellan, Jessica, Machuka, Eunice M., Shamsul, Arifin, Zaman, Syed M.A., Mackenzie, Grant, Kamau, Alice, Kazungu, Sidi, Ominde, Micah Silaba, Tapia, Milagritos D., Sylla, Mamadou, Onwuchekwa, Uma, Kourouma, Nana, Touré, Aliou, Adrian, Peter V., Kuwanda, Locadiah, Mudau, Azwifarwi, Groome, Michelle J., Mahomed, Nasreen, Thamthitiwat, Somsak, Maloney, Susan A., Bunthi, Charatdao, Rhodes, Julia, Sawatwong, Pongpun, Akarasewi, Pasakorn, Mwananyanda, Lawrence, Wa Somwe, Somwe, Kwenda, Geoffrey, Anderson, Trevor P., Mitchell, Joanne

“…Quantitative pneumococcal PCR in blood has limited diagnostic utility for identifying pneumococcal pneumonia in individual children, but may be informative in epidemiological studies.…”
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A trans-disciplinary study on the health risks of cryptosporidiosis from dairy systems in Dagoretti, Nairobi, Kenya: Study background and farming system characteristics por Kang'ethe, Erastus K., Kimani, V.N., McDermott, B., Grace, Delia, Lang'at, A.K., Kiragu, M.W., Karanja, N., Njehu, A.N., Randolph, Thomas F., Mbugua, G., Irungu, T.W., Ombutu, P.

“…In the project a trans-disciplinary team addressed epidemiological, socioeconomic, environmental and policy aspects of cryptosporidiosis, an emerging zoonosis. …”
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The effectiveness of preventative mass vaccination regimes against the incidence of highly pathogenic avian influenza on Java Island, Indonesia por Bett, Bernard K., McLaws, M., Jost, Christine, Schoonman, L., Unger, Fred, Poole, Elizabeth J., Lapar, Ma. Lucila, Siregar, E.S., Azhar, M., Hidayat, M.M., Dunkle, S.E., Mariner, Jeffrey C.

“…Data on disease incidence and vaccination coverage were also collected at quarterly intervals using participatory epidemiological techniques. Compared with the unvaccinated (control) group, the incidence of HPAI-compatible events declined by 32% (P = 0.24) in the HPAI-vaccinated group and by 73% (P = 0.00) in the HPAI- and ND-vaccinated group. …”
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Different plant viruses induce changes in feeding behavior of specialist and generalist aphids on common bean that are likely to enhance virus transmission por Wamonje, Francis O., Donnelly, R., Tungadi, T.D., Murphy, A.M., Pate, A.E., Woodcock, C., Caulfield, J., Mutuku, Josiah M., Bruce, T.J.A., Gilligan, C.A., Pickett, J.A., Carr, J.P.

“…Overall, these virus-induced changes in host-aphid interactions are likely to enhance non-persistent virus transmission, and data from this work will be useful in epidemiological modelling of non-persistent vectoring of viruses by aphids.…”
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Prevalence of tick-transmitted pathogens in cattle reveals that Theileria parva, Babesia bigemina and Anaplasma marginale are endemic in Burundi por Nyabongo, Lionel, Kanduma, Esther G., Bishop, Richard P., Machuka, Eunice M., Njehu, Alice, Bimenyimana, Alain V., Nkundwanayo, C., Odongo, David O., Pelle, Roger

“…There is a need for further investigations of the distribution of tick vectors and the population structure of TBPs in order to identify the key epidemiological factors contributing to TBD outbreaks in Burundi.…”
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Ex-ante impact of peste des petits ruminants control on micro and macro socioeconomic indicators in Senegal: A system dynamics modelling approach por Aboah, Joshua, Apolloni, A., Duboz, R., Wieland, Barbara, Kotchofa, Pacem, Okoth, Edward A., Dione, Michel M.

“…A bi-level system dynamics model, compartmentalised into five modules consisting of integrated production-epidemiological, economics, disease control, marketing, and policy modules, was developed with the STELLA Architect software, validated, and simulated for 30 years at a weekly timestep. …”
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Risk factors for diarrheagenic Escherichia coli infection in children aged 6-24 months in peri-urban community, Nairobi, Kenya por Okumu, Noah, Ngeranwa, J.J.N., Muloi, Dishon, Ochieng, Linnet, Moodley, Arshnee, Mutisya, Christine, Kiarie, Alice, Wasonga, Joseph, Watson, J., Amon-Tanoh, M.A., Cumming, O., Cook, Elizabeth A.J.

“…This paper presents results of a cross-sectional epidemiological study examining prevalence of diarrheagenic E. coli (DEC) pathotypes in stool samples of asymptomatic healthy children (n = 540) in Dagoretti South subcounty, Nairobi, Kenya. …”
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Impact of preconceptional micronutrient supplementation on maternal mental health during pregnancy and postpartum: Results from a randomized controlled trial in Vietnam por Nguyen, Phuong Hong, DiGirolamo, Ann M., Gonzalez-Casanova, Ines, Pham, Hoa, Hao, Wei, Nguyen, Hieu, Truong, Truong V., Nguyen, Son, Harding, Kimberly B., Reinhart, Gregory A., Martorell, Reynaldo, Ramakrishnan, Usha

“…Maternal mental health was assessed using the Center for Epidemiologic Studies Depression Scale (CES-D) at baseline (preconception), and the Edinburgh Postnatal Depression Scale (EPDS) during pregnancy and 3 months postpartum. …”
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Whole genome phylogenetic investigation of a West Nile virus strain isolated from a tick sampled from livestock in north eastern Kenya por Lwande, Olivia Wesula, Venter, M., Lutomiah, J., Michuki, George N., Rumberia, C., Gakuya, F., Obanda, V., Tigoi, C., Odhiambo, C., Nindo, F., Symekher, S., Sang, R.

“…Conclusion To our knowledge, this is the first characterized WNV strain isolated from R. pulchellus. The epidemiological role of this tick in WNV transmission and dissemination remains equivocal but presents tick verses mosquito virus transmission has been neglected. …”
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Genome analysis and DNA marker-based characterisation of pathogenic trypanosomes. por Agbo, E.C.

“…It offered a robust and detailed genotyping tool and was, therefore, used to study the population genetic structure of T. brucei isolates, for epidemiological and cladistic analysis (Chapter 5). The MEGA approach envisages the application of genotyping to identify genetic profiles that are associated with specific (parasite) traits. …”
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Forest Cover and Dengue in Costa Rica: Panel Data Analysis of the Effects of Forest Cover Change on Hospital Admissions and Outbreaks por Pacay, Eduardo, Robalino, Juan

“…Costa Rica witnessed an almost doubling of the number of dengue cases in the first 24 epidemiological weeks of 2019 compared to the same period in the previous year (Ávalos in Costa Rica casi duplica número de enfermos de dengue en lo que va del año, con respecto al 2018, La Nación, 2019). …”
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