Risk assessment of the newly emerged H7N9 avian influenza viruses

Abstract excerpt

Since the first human case in 2013, H7N9 avian influenza viruses (AIVs) have caused more than 1500 human infections with a mortality rate of approximately 40%. Despite large-scale poultry vaccination regimes across China, the H7N9 AIVs continue to persist and evolve rapidly in poultry. Recently, several strains of H7N9 AIVs have been isolated and shown the ability to escape vaccine-induced immunity. To assess the...

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• Animal Disease Management and Epidemiology
• Influenza Virus Research Studies
• Viral gastroenteritis research and epidemiology