|CREDIT: Institute of Environmental Science and Research (Added by Ministry of Health) - 1091 views||ID: 10230|
Source: Institute of Environmental Science and Research, Influenza Weekly Update 2010/33
*A weekly rate of <50 ILI consultations per 100,000 patient population is considered baseline activity. A rate of 50-249 is considered indicative of normal seasonal influenza activity, and a rate of 250-399 indicative of higher than expected influenza activity. A rate of >400 ILI consultations per 100,000 patient population indicates an epidemic level of influenza activity.