EARLY RELEASE: Emergence of a Novel Swine-Origin Influenza A (H1N1) Virus in Humans

May 21st, 2009 by admin Leave a reply »

<p>Background On April 15 and April 17, 2009, novel swine-origin influenza A (H1N1) virus (S-OIV) was identified in specimens obtained from two epidemiologically unlinked patients in the United States. The …
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