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Outbreak of 2009 pandemic influenza A (H1N1) at a New York City school.
Lessler J, Reich NG, Cummings DA; New York City Department of Health and Mental Hygiene Swine Influenza Investigation Team; Nair HP, Jordan HT, Thompson N. Lessler J, et al. N Engl J Med. 2009 Dec 31;361(27):2628-36. doi: 10.1056/NEJMoa0906089. N Engl J Med. 2009. PMID: 20042754 Free article.