A Framework for Decisions About Research with HPAI H5N1 Viruses
2013
Patterson, Amy P. | Tabak, Lawrence A. | Fauci, Anthony S. | Collins, Francis S. | Howard, Sally
Since it appeared in Hong Kong in 1997, the highly pathogenic avian influenza (HPAI) H5N1 virus has presented a persistent threat to public health and agriculture. Worldwide, hundreds of millions of birds have died as a result of infections or culling to prevent further spread of outbreaks among domestic flocks (1). HPAI H5N1 has caused severe respiratory illness and death in a relatively small number of humans—primarily those who have worked in direct contact with infected poultry (2). Of the ∼600 laboratory-confirmed human cases from 2003 to the present, nearly 60% were fatal. At present, the virus does not appear well-adapted for sustained transmission among mammals by respiratory droplets. However, if the viruses occurring in nature were to become readily transmissible among mammals, they could pose the risk of a pandemic.
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