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JAMA. 2009;302(17):1852-1854.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

MMWR. 2009;58:1071-1074

1 figure, 1 table omitted

On September 29, this report was posted as an MMWR Early Release on the MMWR website (http://www.cdc.gov/mmwr).

In previous influenza pandemics, studies of autopsy specimens have shown that most deaths attributed to influenza A virus infection occurred concurrently with bacterial pneumonia,¹ but such evidence has been lacking for 2009 pandemic influenza A (H1N1). To help determine the role of bacterial coinfection in the current influenza pandemic, CDC examined postmortem lung specimens from patients with fatal cases of 2009 pandemic influenza A (H1N1) for bacterial causes of pneumonia. During May 1–August 20, 2009, medical examiners and local and state health departments submitted specimens to CDC from 77 U.S. patients with fatal cases of confirmed 2009 pandemic influenza A (H1N1). This report summarizes the demographic and clinical findings from these cases and the laboratory evaluation of the specimens. Evidence of concurrent bacterial infection . . . [Full Text of this Article]

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