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. 2011 Jul 26;11:591. doi: 10.1186/1471-2458-11-591

Figure 2.

Figure 2

University A student influenza-like illness (ILI) cases reported to student health center (SHC), hospital emergency department (HED) and deans' offices compared to regional American College Health Association (ACHA) influenza surveillance, CDC Outpatient Influenza-like Illness Surveillance Network (ILINet) and local Google Flu Trends data.