Authors’ addresses: J. Todd Utz and Charles S. Apperson, Department of Entomology, Box 7647, North Carolina State University, Raleigh, NC 27695-7647. J. Newton MacCormack, Epidemiology Section, North Carolina Department of Health and Human Services, 1902 Mail Service Center, Raleigh, NC 27699-1902. Martha Salyers, Buncombe County Health Center, 35 Woodfin Street, Asheville, NC 28801-3075. E. Jacquelin Dietz, Department of Statistics, Box 8203, North Carolina State University, Raleigh, NC 27695-8203. J. Todd McPherson, Virology/Serology Unit, North Carolina State Laboratory of Public Health, 1918 Mail Service Center, Raleigh, NC 27699-1918.
Acknowledgments: We thank the Cherokee Tribal Council for permission to interview Native American case patients. The assistance of Eddie Welch of the Indian Health Services and Professor V. Kerry Smith of the Department of Agricultural and Resource Economics at North Carolina State University was invaluable. The help of Barbara Dietz, Laurel Dills, Eugene Powell, David Taylor and Dr. William Huffstutter is gratefully acknowledged.
Financial support: Partial support for this research was provided by contract CD0011 from the North Carolina Department of Health and Human Services.
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