Results 51 to 60 of about 4,136 (177)

Trends in Incidence and Risk Factors of HIV‐Associated Disseminated Histoplasmosis in the Americas: An Observational Cohort Study

open access: yesJournal of the International AIDS Society, Volume 29, Issue 7, July 2026.
ABSTRACT Introduction Histoplasmosis remains a significant cause of morbidity and mortality in people with HIV . We examined disseminated histoplasmosis incidence, risk factors, and outcomes from North and South American HIV clinical sites. Methods Cohorts from Brazil, Chile, Honduras, Mexico, Peru and the United States (Tennessee) contributed data on ...
Ashley Zeoli   +14 more
wiley   +1 more source

Enfermedades de la pobreza, enfermedades tropicales desatendidas

open access: yes, 2014
Las enfermedades tropicales desatendidas (ETDs) se caracterizan por su altísima incidencia en países de renta baja haciendo bueno el nefasto ciclo pobreza-enfermedad-pobreza. Las ETDs son ajenas al mundo occidental por lo que no son consideradas prioritarias, pero tampoco lo son para los gobiernos de los países endémicos al afectar a las poblaciones ...
Pecoul, Bernard, Alvarado, J.
openaire   +3 more sources

“Where we put little fish in the water there are no mosquitoes:” a cross-sectional study on biological control of the Aedes aegypti vector in 90 coastal-region communities of Guerrero, Mexico

open access: yesBMC Public Health, 2017
Background In the Mexican state of Guerrero, some households place fish in water storage containers to prevent the development of mosquito larvae. Studies have shown that larvivorous fish reduce larva count in household water containers, but there is a ...
Arcadio Morales-Pérez   +12 more
doaj   +1 more source

Colocalization of Dopamine D1 and D2 Receptors With Neuronal Nitric Oxide Synthase in the Rat Paraventricular Nucleus: A Structural Basis for Dopaminergic–Nitrergic Interaction

open access: yesAnatomia, Histologia, Embryologia, Volume 55, Issue 4, July 2026.
ABSTRACT The paraventricular nucleus (PVN) plays a central role in neuroendocrine and autonomic regulation, including male sexual behaviour. Dopaminergic and nitrergic signalling within the PVN are functionally linked, but their cellular relationship remains unclear.
Aixa R. Bello, Manuel Mas, Ricardo Reyes
wiley   +1 more source

Cloro comercial como ovicida en mosquitos Aedes aegypti

open access: yesCiencia y Sociedad, 2001
Este analiza los efectos del cloro comercial sobre huevos de Aedes aegypti en condiciones de laboratorio y semi-campo.
José Ramón Albaine Pons   +3 more
doaj   +1 more source

Distribution of adult T‐cell leukaemia/lymphoma subtypes and survival outcomes across geographical regions: An international retrospective cohort study

open access: yesBritish Journal of Haematology, Volume 209, Issue 1, Page 107-115, July 2026.
Summary Although adult T‐cell leukaemia/lymphoma (ATL) has a higher burden in certain world regions, outcomes have not been directly compared across regions. We conducted a multicentre cohort study comparing the distribution of ATL subtypes and overall survival (OS) across 1090 adults (≥18 years) diagnosed with ATL during 2000–2023 in Japan (n = 366 ...
Bryan Valcarcel   +31 more
wiley   +1 more source

Diversity of Cryptosporidium spp. in wild rodents from the Canary Islands, Spain

open access: yesParasites & Vectors, 2020
Background Cryptosporidium spp. are worldwide protozoan parasites which include species that can lead to cryptosporidiosis in humans. Different animal species can serve as reservoirs and sources of dissemination of the disease, such as rodent species due
Katherine García-Livia   +2 more
doaj   +1 more source

Topographic Barriers and Lowland Corridors Structure Gene Flow in the Chagas Vector Rhodnius pallescens Across the Isthmian Forests

open access: yesJournal of Biogeography, Volume 53, Issue 7, July 2026.
ABSTRACT Aim Biogeographic processes can profoundly shape the connectivity and evolutionary potential of arthropod disease vectors. We investigated how Panama's ecological and topographic transitions structure populations of the kissing bug Rhodnius pallescens, the primary vector of the Chagas disease agent Trypanosoma cruzi in the region.
Juliana Hoyos   +17 more
wiley   +1 more source

Presencia de Aedes (Stegomyia) aegypti (Linnaeus, 1762) y su infección natural con el virus del dengue en alturas no registradas para Colombia

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2016
Introducción. Aedes aegypti es el principal vector de fiebre amarilla urbana, dengue, chikungunya y zika. Se ha demostrado que la distribución biogeográfica de esta especie se ha expandido debido al calentamiento global y a factores socioeconómicos y ...
Freddy Ruiz-López   +6 more
doaj   +1 more source

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