Lassa Fever: Response to an Imported Case
- 13 October 1977
- journal article
- case report
- Published by Massachusetts Medical Society in The New England Journal of Medicine
- Vol. 297 (15), 803-807
- https://doi.org/10.1056/nejm197710132971504
Abstract
In February, 1976, a Peace Corps worker returned to the United States from Sierra Leone with an undiagnosed illness later recognized as Lassa fever. To assess the risk of transmission and to contain a potential outbreak, we identified 552 contacts as having had exposure to the patient before the start of strict isolation procedures, and maintained intensive surveillance on these contacts for 21 days. At the end of the surveillance period, no illness had developed in contacts. One month later, a serologic survey among 29 of the contacts judged to be at high risk gave no evidence of infection.Keywords
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