developed a taste for humans at the birth of the Sahara, a new analysis suggests.
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Human migrations, anthropogenic changes, and insect-borne diseases in Latin America.
Parasit Vectors
January 2025
Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy.
Rapid urbanization and migration in Latin America have intensified exposure to insect-borne diseases. Malaria, Chagas disease, yellow fever, and leishmaniasis have historically afflicted the region, while dengue, chikungunya, and Zika have been described and expanded more recently. The increased presence of synanthropic vector species and spread into previously unaffected areas due to urbanization and climate warming have intensified pathogen transmission risks.
View Article and Find Full Text PDFPHYLOGENETIC ANALYSIS OF AEDES AEGYPTI IN TAIF AND JEDDAH GOVERNORATES, SAUDI ARABIA.
J Am Mosq Control Assoc
January 2025
Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia.
With their diverse species, mosquitoes are known to transmit the causal agents of diseases such as malaria, dengue, and yellow fever. Their high adaptability, attraction to humans, and variable adult behaviors make them a significant health concern. The focus on Aedes aegypti is significant for reducing vector-human contacts, monitoring insecticide resistance, and developing innovative vector management strategies.
View Article and Find Full Text PDFReaching Forest Workers with Yellow Fever Vaccine Through Engagement of the Private Sector in Central African Republic.
Vaccines (Basel)
December 2024
World Health Organization, 20 Avenue Appia, 1211 Geneva, Switzerland.
: Yellow fever (YF) outbreaks continue to affect populations that are not reached by routine immunization services, such as workers at a high risk of occupational exposure to YF. In the Central African Republic (CAR), YF cases were detected in districts characterized by the presence of workers in forest areas. We developed an innovative approach based on a local partnership with private companies of the extractive industry to administer YF vaccine to workers in remote areas during the response to an outbreak.
View Article and Find Full Text PDFDifferential Neutralization Profiles of 17DD Vaccinated Population to 17D-204 and 17DD Vaccine Strains.
Vaccines (Basel)
November 2024
Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555-0609, USA.
: Yellow fever virus (YFV) (, ) is the etiologic agent of yellow fever (YF), a vector-borne disease with significant morbidity and mortality across the tropics and neotropics, despite having a highly efficacious and safe vaccine (17D). Vaccination provides lifelong protection from YF disease mediated by humoral immunity. There are several versions of the original 17D vaccine: 17D-204 (marketed in the USA as YF-VAX, in France as Stamaril, and in China as Tiantan-V), 17D-213 (Russian Federation), and 17DD (by FIOCRUZ in Brazil).
View Article and Find Full Text PDFPreparation of -Myrcene-Chitosan Nanoparticles and Their Uptake and Toxicity in Larvae.
Insects
December 2024
Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil.
Mosquito control still relies heavily on synthetic molecules, which can lead to the selection of resistant populations and undesirable environmental problems. This study described the preparation of a nanoparticle of the plant-derived molecule, -myrcene, with chitosan, and the assessment of its toxicity against larvae of the yellow fever mosquito, . By producing fluorescent chitosan nanoparticles, we were able to observe their distribution in the digestive tract of larvae of .
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