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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 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
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.

Main Article

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