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In the report, “Novel Influenza A (H1N1) Virus Infections in Three Pregnant Women—United States, April-May 2009,” on page , the second and third sentences in the first complete paragraph should read as follows: “The specimen was forwarded to the Virus Surveillance and Diagnostic Branch Laboratory, Influenza Division, CDC, where it could not be confirmed as novel influenza A (H1N1) virus. On April 30, a repeat nasopharyngeal specimen and sputum specimen werecollected that wereboth positive by rRT-PCR for novel influenza A (H1N1) virus at CDC.”
Errata: Vol. 58, No. 18. JAMA. 2009;302(1):25. doi: