Influenza Outbreak Control in Confined Settings
Figure. Daily incidence of acute respiratory illness (ARI) cases at base infirmary, by case definition. Shaded segment of bar indicates ARI cases that met the definition of influenzalike illness (ILI) (temperature >37.8°C). Nonshaded segment indicates ARI cases that did not meet the ILI criterion (non-ILI). Arrows: a) vaccination campaign initiation, b) vaccination campaign termination, c) day 14 after campaign initiation.