Case #1645.0

The West Nile Virus Outbreak in New York City: On the Trail of a Killer Virus (A)

Publication Date: January 01, 2002
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In August 1999, in the midst of a hot, dry summer in New York City, a series of very ill, elderly patients appear at a small hospital in Queens. Their symptoms are unusual, combining aspects of deadly viral encephalitis with a form of muscle weakness bordering on paralysis. This case tells the story of the treatment and reporting of these cases at Flushing Hospital and how it led--slowly and with significant difficulty--to the understanding that a significant new illness known as West Nile Virus had come to the United States for the first time. The case describes the crucially important operation of the U.S. public health system--including local public health officials and the federal Center for Disease Control--and examines the ways in which the appearance of a new illness created a difficult challenge for it. Notably, the case details the crucial role played by alert individuals--including those of physicians, health officials and, surprisingly, an animal pathologist at the world famous Bronx Zoo, whose observations about dead birds proved crucial to cracking the West Nile mystery.

Learning Objective:
The A case allows for discussion of the design and management of the public health system, including discussion of the factors that made identification of West Nile a difficult process. The B case tells the story of New York City's response once West Nile had been identified. Specifically, it describes the daunting logistics of mounting an effective mosquito control program on short notice.

Other Details

Case Author:
Esther Scott
Faculty Lead:
Arnold Howitt
Pages (incl. exhibits):
United States
Funding Source:
Robert Wood Johnson Foundation and U.S. Department of Justice