1. Toby L. Merlin, M.D. Deputy Incident Manager CDC H1N1 Response
2009 H1N1 Influenza Update
(20 Nov 09)
Toby L. Merlin, M.D. Deputy Incident Manager CDC H1N1 Response 1

3. Percentage of Visits for Influenza-like Illness (ILI) Reported by the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet), National Summary October 1, 2006 – November 14, 2009
5.5%

4. Epidemiology/Surveillance

5. Number of Influenza-Associated Pediatric Deaths by Week of Death: 2007-08 season to present
Number of Deaths Reported=138
CDC identified 21 confirmed influenza-associated pediatric deaths during Week 45
15 H1N1
6 Influenza A
The total number of confirmed H1N1 influenza-associated pediatric deaths since April 1, 2009 is 171*
Number of Deaths Reported = 88
Number of Deaths Reported = 127
Deaths Reported Current Week
Deaths Reported Previous Weeks
2009 Influenza A (H1N1) Deaths Reported Current Week
2009 Influenza A (H1N1) Deaths Reported Previous Weeks

6. State Hospitalization and Mortality Aggregate Reporting Influenza Week 45 – 20 NOV 2009
Rate per 100,000 Population

7. School Dismissal Monitoring System, United States, 08/03 – 11/19, 2009
On Nov 19, the same three schools were closed as the day before, affecting 736 students in 2 states (ME, MI). A local contact in Maine indicated the likely cause to be high staff absenteeism and difficulty finding substitute teachers.
Schools Dismissed