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8 results for “experimental epidemiology”
Fig. 5 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 5. Healthy skin and fibropapilloma in Pristimantis megalops (A). Cross section of the healthy skin of Pristimantis megalops (B): The epidermis is thin, can be seen pigmented layer and layers of collagen in the dermis. Cross section of Fibropapilloma (C). Detail of fibroblasts forming fibropapilloma (D): the tissue is highly vascularized. Detail of the epidermis and collagen layers covering fibropapilloma (E–F). Histochemical staining in Fibropapilloma (F): The layers of collagen in the dermis can be seen in magenta color. fb: fibroblasts; col: layers of collagen; de: dermis; ep: epidermis; gla: dermal glands; hs: healthy skin; lp: pigmented layer; sm: striated muscle tissue; tu: tumor or fibropapilloma; vt: vascular tissue. Photographs by Edgar Javier Rincón Barón.
Fig. 1 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 1. Map of the Serrania de San Lorenzo, Sierra Nevada de Santa Marta, Colombia. Red square area highlights the Estación Experimental de San Lorenzo to 2,200 meters.
Fig. 3 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 3. Healthy individuals of Atelopus laetissimus (A) (Bufonidae); Atelopus nahumae (B) (Bufonidae); Pristimantis megalops (C) (Craugastoridae); and Ikakogi tayrona (D) (Centrolenidae). Photographs by Luis Alberto Rueda Solano.
Fig. 4 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 4. Sick individuals of Ikakogi tayrona (A, B same individual); Pristimantis megalops (C, D), and malformation in Atelopus nahumae (E) and Atelopus laetissimus (F) found in epidemiological surveillance 2008–2014 in La Estación Experimental de San Lorenzo (2,200 meters), Sierra Nevada de Santa Marta, North of Colombia. Photographs by Luis Alberto Rueda Solano (A, B, D), Cesar Molina (C); Andres Rocha Usuga (E, F).
Fig. 6 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 6. Monitoring of Atelopus laetissimus through the years in the Quebrada San Lorenzo Serrania de San Lorenzo, SNSM. Circle = average number obtained from individuals in each year (n = 2 samples for the years 2008, 2013 and 2014) (n = 1 sample for 2009); Error Bars = maximum and minimum individual in each year. Dotted line = trend in the number of individuals over time.
Fig. 2 in Epidemiological surveillance and amphibian assemblage status at the Estación Experimental de San Lorenzo, Sierra Nevada de Santa Marta, Colombia
Fig. 2. Serrania de San Lorenzo (B) Querbrada San Lorenzo (A) Sierra Nevada de Santa Marta, Colombia. Photographs by Luis Alberto Rueda Solano.
Data from: How Bank Vole-PUUV Interactions Influence the Eco-Evolutionary Processes Driving Nephropathia Epidemica Epidemiology—An Experimental and Genomic Approach
<p><strong>Abstract: </strong>In Europe, Puumala virus (PUUV) is responsible for nephropathia epidemica (NE), a mild form of hemorrhagic fever with renal syndrome (HFRS). Despite the presence of its reservoir, the bank vole, on most of French territory, the geographic distribution of NE cases is heterogeneous and NE endemic and non-endemic areas have been reported. In this study we analyzed whether bank vole-PUUV interactions could partly shape these epidemiological differences. We performed crossed-experimental infections using wild bank voles from French endemic (Ardennes) and non-endemic (Loiret) areas and two French PUUV strains isolated from these areas. The serological response and dynamics of PUUV infection were compared between the four cross-infection combinations. Due to logistical constraints, this study was based on a small number of animals. Based on this experimental design, we saw a stronger serological response and presence of PUUV in excretory organs (bladder) in bank voles infected with the PUUV endemic strain. Moreover, the within-host viral diversity in excretory organs seemed to be higher than in other non-excretory organs for the NE endemic cross-infection but not for the NE non-endemic cross-infection. Despite the small number of rodents included, our results showed that genetically different PUUV strains and in a lesser extent their interaction with sympatric bank voles, could affect virus replication and diversity. This could impact PUUV excretion/transmission between rodents and to humans and in turn at least partly shape NE epidemiology in France.</p>
Data from: Stochastic environmental fluctuations drive epidemiology in experimental host–parasite metapopulations
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.