Elsevier

Microbes and Infection

Volume 11, Issues 8–9, July–August 2009, Pages 725-728
Microbes and Infection

Review
April 2009: an outbreak of swine-origin influenza A(H1N1) virus with evidence for human-to-human transmission

https://doi.org/10.1016/j.micinf.2009.05.002Get rights and content
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Abstract

A swine-origin influenza A(H1N1) virus is currently responsible for an outbreak of infections in the human population, with laboratory-confirmed cases reported in several countries and clear evidence for human-to-human transmission. We provide a description of the outbreak at the end of April 2009, and a brief review of the zoonotic potential of swine influenza viruses.

Keywords

Swine influenza
Zoonotic potential
Human-to-human transmission
Pandemic preparedness

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