Fig. (1) A) Weekly incidence of ILI consultations in Dutch Sentinel Practices during the winter seasons 2007/2008 and 2000/2001, and number of detection of influenza viruses in Dutch Sentinel Practices and non-sentinel surveillance together during winter season 2007/2008. B). Weekly number of detections of influenza A(H1N1) oseltamivir resistant and sensitive viruses from the sentinel and non-sentinel surveillance during the winter season 2007/2008.