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BACKGROUND In contrast to influenza A, minor influenza B viruses can co-circulate with the dominant strain during an epidemic allowing the re-emergence of old strains and reassortment between those(More)
The 2009 pandemic influenza A virus outbreak led to the systematic use of the neuraminidase (NA) inhibitor oseltamivir (OST). Consequently, OST-resistant strains, carrying the mutation H275Y, emerged(More)
The D222G substitution in the hemagglutinin (HA) gene of the pandemic influenza A(H1N1)pdm09 virus has been identified as a potential virulence marker, because this change allows for virus invasion(More)
The 2009 pandemic influenza A (H1N1) virus (pH1N1) challenged the world's preparedness to this threat (Dawood et al., 2009). Since this novel virus emerged with adamantane resistance, neuraminidase(More)
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