Isolation of St. Louis Encephalitis Virus from a Patient in Belém, Brazil

Francisco P. Pinheiro Instituto Evandro Chagas, United States Army Medical Research Unit, Hospital Servidores do Estado, FSESP, Belém, Pará, Brazil

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James W. LeDuc Instituto Evandro Chagas, United States Army Medical Research Unit, Hospital Servidores do Estado, FSESP, Belém, Pará, Brazil

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Amelia P. A. Travassos da Rosa Instituto Evandro Chagas, United States Army Medical Research Unit, Hospital Servidores do Estado, FSESP, Belém, Pará, Brazil

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Octavio F. Leite Instituto Evandro Chagas, United States Army Medical Research Unit, Hospital Servidores do Estado, FSESP, Belém, Pará, Brazil

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DOI:
https://doi.org/10.4269/ajtmh.1981.30.145
Volume/Issue:
Volume 30: Issue 1
Page(s):
145–148
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St. Louis encephalitis (SLE) virus was isolated from a 21-year-old female hospitalized on 4 October 1978 in Belém, Brazil. Symptomatology on admission included fever, chills, severe headache, abdominal pain, myalgia, arthralgia and jaundice. SLE virus was isolated from her blood drawn on the 8th day of illness and subsequent seroconversion was documented. Serological tests showed the isolate to be closely related to the Belém prototype of SLE virus but distinct from other flaviviruses tested. The patient was discharged without sequelae after 16 days of hospitalization. Epidemiological investigations where the patient worked and lived revealed no evidence of extensive transmission of SLE virus.

Author Notes

Present address: Gorgas Memorial Laboratory, P.O. Box 935, APO Miami 34002.

Copyright:
Copyright © 1981 by The American Society of Tropical Medicine and Hygiene 1981
Accepted:
31 May 1980
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Published Online:
Jan 1981
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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