Results: 29

Circulation pattern of influenza A/B virus and Respiratory Syncytial Virus (RSV) in Fortaleza, Ceará, after the SARS-CoV-2 pandemic

HSJ (Itajubá); 15 (), 2025
Objective: To investigate the circulation patterns of respiratory viruses from January 2023 to May 2024 and to describe their epidemiological characteristics in the city of Fortaleza based on data obtained by molecular tests based on real-time PCR (qPCR).Method: This retrospective epidemiological study w...

Alerta epidemiológica: infecciones humanas causadas por influenza aviar A (H5N1) en la Región de las Américas - 8 de octubre del 2024

La Organización Panamericana de la Salud / Organización Mundial de la Salud (OPS/OMS) hace un llamado a los Estados Miembros para trabajar de forma colaborativa e intersectorial con el fin de preservar la sanidad animal y proteger la salud pública. La OPS/OMS insta a los Estados Miembros a reforzar lo...

Studying the efficacy of some commercial inactivated avian influenza H5 vaccines against the currently circulating highly pathogenic H5N8 virus in broiler chickens in Egypt

The avian influenza H5N8 virus is a highly pathogenic virus that can cause severe economic losses in poultry species worldwide. In Egypt, highly pathogenic avian influenza virus of subtype H5N8 clade 2.3.4.4b was reported in 2016, and despite vaccination efforts, the virus has become endemic. The current...

Influenza aviar H5N1. ¿Debemos preocuparnos?

Rev. chil. infectol; 40 (3), 2023
Desde la segunda mitad de 2022 se ha reportado un aumento de casos de influenza en aves migratorias en Latinoamérica. Los virus influenza A y B son los principales agentes asociados a influenza estacional epidémica en humanos. Los virus influenza A circulan no solo en humanos sino también en animales,...

Efficacy of some avian influenza H5 vaccines against local highly pathogenic avian influenza viruses subtype H5N8 isolated in 2018 and 2020 in Egypt

Commercial inactivated avian influenza H5 vaccine is used as an essential control strategy for avian influenza disease in Egypt. Since the initial outbreaks of highly pathogenic avian influenza H5N8, the virus has diverged with new genotypes and variant viruses continuing to emerge which mainly stand beh...

Impact of H5N8 duck and chicken viral isolates on the immunological profile of vaccinated specific pathogen free chickens

Nowadays, there is a global concern about outbreaks caused by the highly pathogenic avian influenza virus H5N8 clade 2.3.4.4 which caused devastating losses in the poultry industry sector. This clade was subdivided into two waves: clade 2.3.4.4A from 2014 to 2015 and clade 2.3.4.4b from 2016 until now. I...