Skip to main content

Table 1 Cases definitions, three international ILI definitions, Dielmo and Ndiop cohort study, Senegal, 2013–2016

From: Performance of case definitions and clinical predictors for influenza surveillance among patients followed in a rural cohort in Senegal

Organisation Clinical symptoms
WHO* Sudden onset AND Measured fever of ≥ 38 °C AND Cough With onset within the last 10 days
CDC Sudden onset AND Fever ≥ 100 ° F (37.8 °C) Absence of a known cause other than influenza AND At least one among: cough, sore throat
ECDC” Sudden onset AND At least one among: fever, feverishness, headache, malaise, myalgia AND At least one among: cough, sore throat, shortness of breath
  1. WHO* World Health Organization, http://www.who.int/influenza/resources/documents/technical_consultation/en/;
  2. CDC Centers for Disease Control and Prevention; U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet)
  3. ECDCEuropean Centre for Disease Prevention and Control; https://www.ecdc.europa.eu/sites/default/files/documents/influenza