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Volume 20, Number 7—July 2014

Undiagnosed Acute Viral Febrile Illnesses, Sierra Leone

Randal J. SchoeppComments to Author , Cynthia A. Rossi, Sheik H. Khan, Augustine Goba, and Joseph N. Fair
Author affiliations: US Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland, USA (R.J. Schoepp, C.A. Rossi); Kenema Government Hospital, Kenema, Sierra Leone (S.H. Khan, A. Goba); Metabiota, San Francisco, California, USA (J.N. Fair)

Main Article

Table 2

Patients’ antibody reactions to arthropod-borne and hemorrhagic fever virus antigens, Lassa Diagnostic Laboratory, Kenema, Sierra Leone, October 2006–October 2008*

Virus No. positive /total (%) No. IgM only positive/total (%)
Dengue 11/253 (4.3) 6/250 (2.4)
West Nile 7/253 (2.8) 3/250 (1.2)
Yellow fever 5/201 (2.5) 5/201 (2.5)
Rift Valley fever 5/253 (2.0) 5/253 (2.0)
Chikungunya 10/253 (4.0) 5/253 (2.0)
Ebola 19/220 (8.6) 18/219 (8.2)
Marburg 8/220 (3.6) 7/219 (3.2)
Crimean-Congo hemorrhagic fever
Not tested
Total 65/253 (25.7) 49/253 (19.4)

*Detected by IgM-capture ELISA in serum samples submitted to Lassa Diagnostic Laboratory (Kenema, Sierra Leon) for suspected Lassa fever. All samples tested were malaria negative by thick blood smear and Lassa virus negative by antigen detection and IgM-capture ELISA when initially tested. Samples with sufficient volumes were tested for the presence of IgG to determine samples that were IgM positive only.

Main Article

Page created: June 17, 2014
Page updated: June 17, 2014
Page reviewed: June 17, 2014
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