A powerpoint presentation for the City of Somerville\'s Medical Reserve Corp on H1N1.

1. H1N1 INFLUENZA UPDATE

5. REPORTED CASES Figure 1: Percentage of Influenza-like illness visits reported by sentinel provider sites

6. REPORTED CASES Table 1: Percent Influenza-like illnesses reported weekly by Massachusetts sentinel sites 2009-2010 2008-2009 %ILI Report. Sites Total enroll. %ILI Report. Sites Total enroll. Boston 1.44 4 7 1.23 4 5 Central 2.43 6 12 2.36 6 8 Inner Metro Boston 1.91 4 9 0.35 2 2 Northeast 2.35 6 12 0.78 8 9 Outer Metro Boston 5.21 2 4 0.96 2 2 Southeast 0.75 3 6 0.88 6 6 West 3.16 6 9 1.03 8 10

7. REPORTED CASES Figure 2: Laboratory-confirmed Influenza Cases and Influenza-like Illness Massachusetts, October 4, 2009 - December 10, 2009

11. H1N1 CASES Figure 3: H1N1 Cases in U.S. 4/25/09-7/10/09

12. H1N1 CASES Figure 4: H1N1 Cases in U.S. by Age Group, between 4/25/09- 7/24/09

14. 2009 H1N1 PANDEMIC

15. REPORTED CASES Figure 5: Influenza positive test reported to CDC by HSLI, August-November 2009

16. REPORTED CASES Table 2: Confirmed H1N1 Cases in MA, 4/26/09-12/10/2009 Age group (N) Age group (%) Female (%) Pregnant (N) Hospitalized (N) Hospitalized (%) Deaths (N) 0-4 years 291 15.4 39.86 0 87 29.90 2 5-12 years 496 26.3 39.92 0 84 16.94 0 13-18 years 367 19.4 49.86 6 45 12.26 1 19-25 years 221 11.7 62.44 21 26 11.76 2 26-44 years 273 14.5 65.93 33 43 15.75 4 45-64 years 200 10.6 57.00 0 66 33.00 10 65+ years 37 1.96 67.57 0 22 59.46 6 Unknown 2 0.11 50.00 0 0 0 0 TOTAL 1887 ~~ 50.61 60 373 19.77 25

28. REPORTED H1N1 VACCINE USAGE *PFS = Prefilled syringes MDV = Multidose vial LAIV = Live, attenuated influenza vaccine (nasal spray) Table 4: H1N1 Vaccine Allocations in MA as of December 2, 2009 Date PFS 0.25 PFS 0.5 MDV PFS MDV PFS MDV MDV LAIV Total Age 6 – 35 mo. > 3 yr. ≥ 6 mo. ≥ 4 yr. ≥ 4 yr. > 3 yr. ≥ 6 mo. ≥ 18 yr. 2-49 yr. Totals 92,800 48,900 610,100 174,700 420,600 28,500 6,800 0 405,000 1,787,400