Emergence of human avian influenza A(H7N9) virus infections in Wenshan City in Southwest China, 2017.

ABSTRACT:

Background

The emergence of human infection with avian influenza A(H7N9) virus was reported in Wenshan City, southwestern China in 2017. The study describes the epidemiological and virological features of the outbreak and discusses the origin of the infection.

Methods

Poultry exposure and timelines of key events for each patient were collected. Samples derived from the patients, their close contacts, and environments were tested for influenza A(H7N9) virus by real-time reverse transcription polymerase chain reaction. Genetic sequencing and phylogenetic analysis were also conducted.

Results

Five patients were reported in the outbreak. An epidemiological investigation showed that all patients had been exposed at live poultry markets. The A(H7N9) isolates from these pati

SUBMITTER: Jiang L 

PROVIDER: S-EPMC7031964 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature