Field and laboratory investigation of highly pathogenic avian influenza H5N6 and H5N8 in Quang Ninh province, Vietnam, 2020 to 2021.

ABSTRACT:

Background

Avian influenza (AI) is a contagious disease that causes illness and death in poultry and humans. High pathogenicity AI (HPAI) H5N6 outbreaks commonly occur in Quang Ninh province bordering China. In June 2021, the first HPAI H5N8 outbreak occurred at a Quang Ninh chicken farm.

Objectives

This study examined the risk factors associated with HPAI H5N6 and H5N8 outbreaks in Quang Ninh.

Methods

A retrospective case-control study was conducted in Quang Ninh from Nov 2021 to Jan 2022. The cases were households with susceptible poultry with two or more clinical signs and tested positive by real-time reverse transcription polymerase chain reaction. The controls were households in the same village as the cases but did not show clinical symptoms of the disease. Logi

SUBMITTER: Tran TD 

PROVIDER: S-EPMC10990907 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature