Authors’ addresses: Els Mathieu, Deborah A. Levy, Stephanie Johnston, Thomas Handzel, Allen Hightower, Lihua Xiao, Yeuk-Mui Lee, Michael Arrowood, and Jeffrey L. Jones, Division of Parasitic Diseases, National Center of Infectious Diseases, Centers for Disease Control and Prevention, Mailstop F-22, 4770 Buford Highway, Atlanta, GA 30341-3724, Telephone: 770-488-3603, Fax: 770-488-7761, E-mails:
Acknowledgments: We thank the public health nurses, environmental staff, and all support staff from the Delaware City and County Health Department for their enthusiastic support and collaboration; the Ohio Department of Health (Dr. Darryl Koop, Ronald Genevie, Dr. William Becker, Dr. Elizabeth Koch, and Dr. Forrest Smith) and the Division of Parasitic Diseases, National Center of Infectious Diseases, CDC for their support; and a special thank to the interview team, especially Sue Lisman and Rachelene Charles, for conducting all the telephone calls.
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