A large diversity of influenza A viruses (IAV) within the H1N1/N2 and H3N2 subtypes
circulates in pigs globally, with different lineages predominating in specific regions of the …

The global anxiety and a significant threat to public health due to the current COVID-19
pandemic reiterate the need for active surveillance for the zoonotic virus diseases of …

The complex and unresolved evolutionary origins of the 2009 H1N1 influenza pandemic
exposed major gaps in our knowledge of the global spatial ecology and evolution of …

The evolutionary origins of the influenza A (H1N1) pdm09 virus that caused the first outbreak
of the 2009 pandemic in Mexico remain unclear, highlighting the lack of swine surveillance …

In South America, the evolutionary history of influenza A virus (IAV) in swine has been
obscured by historically low levels of surveillance, and this has hampered the assessment of …

Summary From 2009 to 2015, 74 lungs from suckling (6.8%), nursing (70.3%), fattening
(20.3%) pigs and pregnant sows (2.7%) with respiratory signs from pig farms in Southern …

Influenza A virus (IAV) is characterized by eight single-stranded, negative sense RNA
segments, which allows for gene reassortment among different IAV subtypes when they co …

The rapidly evolving antigenic diversity of influenza A virus (IAV) genomes in swine makes it
imperative to detect emerging novel strains and track their circulation. We analyzed in our …

Influenza A virus (FLUAV) infections are endemic in pork producing countries worldwide but
in Brazil it was not considered an important pathogen in pigs. Since the emergence of 2009 …

Introduction: Further understanding of the genetic diversity and evolution of influenza A
viruses circulating in swine (IAV-S) is important for the development of effective vaccines …