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Am. J. Trop. Med. Hyg., 19(2), 1970, pp. 319-326
Copyright © 1970 by The American Society of Tropical Medicine and Hygiene

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Sawgrass Virus: A Newly Described Arbovirus in Florida*

G. E. Sather, A. L. Lewis, W. Jennings, J. O. Bond AND W. McD. Hammon
Encephalitis Research Center, Florida State Board of Health, Tampa, and Department of Epidemiology and Microbiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania 15213

Nine strains of a new arbovirus have been isolated from the ticks Dermacentor variabilis and Haemaphysalis leporispalustris collected in the Tampa Bay area of Florida. It has been named Sawgrass virus. The virus passes a 0.22 µ Millipore filter, is sensitive to sodium deoxycholate, and is probably a ribonucleic acid virus. No antigenic relation has been shown with 23 other tick viruses nor with representatives of other viruses as shown by tests with antiserum to 50 other arboviruses. Tacaribe and Tamiami viruses. and eight common murine viruses. Significant neutralizing-antibody levels were not found in the serum of small animals collected in the areas from which the animals harboring infected ticks were collected, nor in a small sample of human serum collected from persons considered at high risk.

Accepted for publication August 4, 1969.


* These studies were supported in part by Public Health Service Research Grant AI-05504 from the National Institute of Allergy and Infectious Diseases to the Florida State Board of Health. At the University of Pittsburgh work was carried out in part under the sponsorship of the Commission on Viral Infections, Armed Forces Epidemiological Board, and was supported by the U.S. Army Medical Research and Development Command, Department of the Army, under Contract No. DA-49-193-MD-2042; and in part by Public Health Service Research Grant No. AI-02686 from the National Institute of Allergy and Infectious Diseases.






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