Volume 20, Number 7—July 2014
Research
Undiagnosed Acute Viral Febrile Illnesses, Sierra Leone
Randal J. Schoepp
, Cynthia A. Rossi, Sheik H. Khan, Augustine Goba, and Joseph N. Fair
, Cynthia A. Rossi, Sheik H. Khan, Augustine Goba, and Joseph N. Fair
Table 1
Case definition used to detect suspected Lassa fever at Kenema Government Hospital, Kenema, Sierra Leone, October 2006–October 2008*
| Major criteria | Minor criteria |
|---|---|
| Known exposure to person with suspected Lassa fever | General myalgia or arthralgia |
| Abnormal bleeding (from mouth, nose, rectum, or vagina) | Headache |
| Edema of the neck and/or face | Sore throat |
| Conjunctivitis or subconjunctival hemorrhage | Vomiting |
| Spontaneous abortion | Abdominal pain/tenderness |
| Petechial or hemorrhagic rash | Retrosternal pain |
| Onset of tinnitus or altered hearing | Cough |
| Persistent hypotension | Diarrhea |
| Elevated liver transaminases (aspartate aminotransferase higher than alanine aminotransferase) | Profuse weakness Proteinuria Leukopenia (leukocytes <4,000 μL) |
*To be tested for suspected Lassa fever, a patient had to have a fever >38°C and not respond to appropriate antimalarial and antimicrobial drug treatment within 72 h.
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