MHS Influenza Surveillance Report - Week 21 (Week Ending May 29, 2010)

• Influenza-like illness (ILI) and pneumonia and influenza (P&I) incidence rates continued to decrease for all regions.
  (Fig. 1)
• The percent of all outpatient visits due to ILI decreased or remained stable for the US and PACOM, but continued to increase slightly for EUCOM. All regions percents remained at or below baseline and previous season percents for all regions except the PACOM beneficiary percents, which were slightly above previous season percents. (Fig. 2)
• The percent of all outpatient visits due to P&I remained similar to last week and were at or below baseline and previous season percents for all regions. (Fig. 3)
• There have been 1238 reportable medical event (RME) influenza cases (45.2% had been vaccinated against seasonal influenza and 47 were vaccinated against novel H1N1) among SMs since week 40 (compared to 772 cases last season). An additional 2055 cases have been reported among other beneficiaries. (Fig. 4)

DoD Influenza Surveillance Summary (06 April 2010)

• Clinic visits for influenza-like illness (ILI) have remained stable across the military health system (MHS)
• No influenza-associated hospitalizations or deaths were reported this past week
• This will be the last AFHSC Weekly Influenza Summary for this season

MHS 2008-2009 Influenza Season Final Report

MHS 2007-2008 Influenza Season Final Report