Since the spring of 2013, human infections with H7N9 viruses have been detected in China.
Some of these viruses have become highly pathogenic. Highly and low pathogenic avian …

Abstract In China during March 4–April 28, 2013, avian influenza A (H7N9) virus testing was
performed on 20,739 specimens from patients with influenza-like illness in 10 provinces with …

BACKGROUND A novel subtype of influenza A virus (H7N9) was recently identified in
humans. The virus is a reassortant of avian viruses, but these human isolates contain …

A 73-year-old man was confirmed to have an influenza A (H7N9) virus infection and the
causative agent A/Beijing/02/2014 (H7N9) virus was isolated. Genetic and phylogenetic …

On 30 March 2013, a novel avian influenza A H7N9 virus causing severe human respiratory
infections was identified in China. Preliminary sequence analyses have shown that the virus …

Background Influenza A virus is a leading causative pathogen of human acute respiratory
infection. Recently, the co-circulation of pandemic (H1N1) 2009 and seasonal H3N2 viruses …

In February 2014, while investigating the source of a human infection with influenza A
(H7N9) virus in northern China, we isolated subtypes H7N2 and H9N2 viruses from …

BACKGROUND: Infection of poultry with influenza A subtype H7 viruses occurs worldwide,
but the introduction of this subtype to humans in Asia has not been observed previously. In …

The H7N9 subtype of influenza virus can infect birds and humans, causing great losses in
the poultry industry and threatening public health worldwide. However, H7N9 infection in …

This study aimed to investigate the epidemiological, clinical, and virologic characteristics of
avian influenza A (H7N9) confirmed cases from two family clusters in Southeast China …