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Previous Volume 360:2666-2667 June 18, 2009 Number 25 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text PDF PDA Full Text Video Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited E-mail When Letters Appear Related Article by Novel Swine-Origin Influenza A (H1N1) Virus Investigation Team Related Article by Shinde, V. PubMed Citation

In the first 2 weeks in April, cases of infection with an untypable influenza A virus began to be identified in Mexico and southern California.¹ Although the exact sequence of events is uncertain, by the third week of April it was established that the illness resulted from a triple recombination of human, avian, and swine influenza viruses; the virus has been found to be H1N1. This virologic analysis allowed for the development of a polymerase-chain-reaction (PCR) test to determine whether, in any given person, illness with the protean manifestations of cough, fever, sore throat, diarrhea, and nausea could be confirmed . . . [Full Text of this Article]

Source Information

This article (10.1056/NEJMe0903992) was published on May 7, 2009, at NEJM.org.

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