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7/16: 232
8/27: No Report
9/4: No Report
9/9: No Activity 9/24: No Report
9/19: Week ending September 19, 2009 ? MMWR Week 37
NH will report ?regional? for influenza activity MMWR Week 37 (09/13/09-09/19/09). NH Public Health Laboratories received 47 specimens for testing during week 37, 15 positive (all 15 were 2009 AH1N1), 31 were negative and one pending at this time.
7/16: 232
8/27: No Report
9/4: No Report
9/9: No Activity 9/24: No Report
9/19: Week ending September 19, 2009 ? MMWR Week 37
NH will report ?regional? for influenza activity MMWR Week 37 (09/13/09-09/19/09). NH Public Health Laboratories received 47 specimens for testing during week 37, 15 positive (all 15 were 2009 AH1N1), 31 were negative and one pending at this time.
8/17: 1 (22 yo) DOD: 8/17 Hillsborough County
8/27: No Report
9/4: No Report
9/9: No Activity
Weekly Situation Update #9: New Hampshire Novel Influenza A H1N1 Response
Report for Activities Week Ending October 3, 2009
NH Surveillance/Laboratory/Disease Monitoring:
? Ongoing surveillance and response to health care reports of influenza-like illness (ILI). Laboratory testing is recommended only for hospitalized patients, health care workers, patients who may be part of a cluster or outbreak in consultation with DPHS, and selected outpatients through the Influenza Sentinel Provider Surveillance Network.
? The web-based surveillance tool for schools was implemented and over 240 schools were reporting each day as of October 3rd. Schools are asked to report daily absenteeism among students and staff, as well as school nurse visits for influenza-like illness.
? Twelve outbreaks of ILI have been reported in schools as of October 3rd.
? NH will report ?widespread? influenza activity for MMWR Week 39 (09/27/09-10/03/09). This is an increase from the previous week reporting ?regional? influenza activity. The NH Public Health Laboratories (NH PHL) received 81 specimens for testing during week 39, 7 were positive (6 were 2009 AH1N1 and one was Influenza B), 67 were negative, one rejected and six pending at this time.
? Sentinel ILI activity is at 0.8%, which is an increase compared with the previous week (0.4%).
Note: CDC reports hospitalization and death counts by influenza season. The current count for the 2009 – 2010 influenza season started August 30, 2009. Due to the progression of the outbreak, states may choose to no longer count and report individual novel H1N1 hospitalizations and deaths; hospitalizations and deaths from pneumonia and influenza may instead be reported to CDC.
Total Cases:
7/16: 232
8/27: No Report
9/4: No Report
9/9: No Activity
9/19: 15
10/7: 22
10/10: 25
Note: CDC reports hospitalization and death counts by influenza season. The current count for the 2009 ? 2010 influenza season started August 30, 2009. Due to the progression of the outbreak, states may choose to no longer count and report individual novel H1N1 hospitalizations and deaths; hospitalizations and deaths from pneumonia and influenza may instead be reported to CDC.
Total Cases:
*The revised report for MMWR week 40 (10/4?10/10/09), a total of 98 patients were hospitalized for pneumonia and/or influenza-like illness, based on 21 hospitals reporting for week 40.
Total Deaths:
8/17: 1 (22 yo) DOD: 8/17 Hillsborough County
8/27: No Report
9/4: No Report
9/9: 1
10/10: 1
ILI sentinel activity is at 0.9%, which is similar compared with the previous week (0.8%). Preliminary influenza- and pneumonia-related deaths are 6.0%, which is below the epidemic threshold (12.3%).
Because these two systems collect information using different methods and represent different
patient populations, it is expected that the proportions of ILI and ARI seen in these systems will
differ. However, the overall trend of activity is expected to be similar.
For week 41 (10/11/09?10/17/09), 1.2% of patient visits to NH ILINet participating providers
were due to ILI, based on 18 providers reporting 3,852 patient visits, which is similar compared
to activity in week 40 (1.0%). In AHEDD for week 41, 4.2% of patient visits to hospital
emergency departments were due to ARI, based on 17 hospitals reporting a total of 9,405
patient encounters, which is an increase compared to activity in AHEDD reported for week 40
(3.3%).
Reported ARI & ILI for 2009-10 and for the three previous seasons is shown in the graph below.
Pneumonia & Influenza Mortality
Pneumonia and influenza (P&I) deaths in NH are identified through review of electronically filed
death certificates by looking at the causes of death listed on each death certificate. The graph
below, which shows the proportion of deaths attributed to P&I, represents all deaths recorded by
NH?s Division of Vital Records Administration. This includes resident and non-resident deaths
that occurred within the State, and may not include deaths of NH residents that occurred out-ofstate,
or cases being investigated by the Medical Examiner's Office.
For week 41 (10/11/09?10/17/09), 6.8% of all deaths recorded in NH were reported as due to
P&I. This is below the epidemic threshold for week 41 (11.7%).
Note: CDC reports hospitalization and death counts by influenza season. The current count for the 2009 ? 2010 influenza season started August 30, 2009. Due to the progression of the outbreak, states may choose to no longer count and report individual novel H1N1 hospitalizations and deaths; hospitalizations and deaths from pneumonia and influenza may instead be reported to CDC.
Total Cases:
Hospitalizations For The Week:
10/10:___67 (14/26 hospitals reporting)*
10/17:___78 (14 hospitals reporting)**
10/24:___116 (17 hospitals reporting)
*The revised report for MMWR week 40 (10/4?10/10/09), a total of 98 patients were hospitalized for pneumonia and/or influenza-like illness, based on 21 hospitals reporting for week 40.
** Revised report for MMWR week 41 (10/11-10/17/09), a total of 127 patients were hospitalized for pneumonia and/or influenza-like illness, based on 20 hospitals reporting for week 41.
Total Deaths:
8/17: 1 (22 yo) DOD: 8/17 Hillsborough County
8/27: No Report
9/4: No Report
9/9: 1
10/10: 1
Note: CDC reports hospitalization and death counts by influenza season. The current count for the 2009 – 2010 influenza season started August 30, 2009. Due to the progression of the outbreak, states may choose to no longer count and report individual novel H1N1 hospitalizations and deaths; hospitalizations and deaths from pneumonia and influenza may instead be reported to CDC.
Total Cases:
Hospitalizations For The Week:
10/10:___67 (14/26 hospitals reporting)*
10/17:___78 (14 hospitals reporting)**
10/24:___116 (17 hospitals reporting)
*The revised report for MMWR week 40 (10/4–10/10/09), a total of 98 patients were hospitalized for pneumonia and/or influenza-like illness, based on 21 hospitals reporting for week 40.
** Revised report for MMWR week 41 (10/11-10/17/09), a total of 127 patients were hospitalized for pneumonia and/or influenza-like illness, based on 20 hospitals reporting for week 41.
Note: CDC reports hospitalization and death counts by influenza season. The current count for the 2009 ? 2010 influenza season started August 30, 2009. Due to the progression of the outbreak, states may choose to no longer count and report individual novel H1N1 hospitalizations and deaths; hospitalizations and deaths from pneumonia and influenza may instead be reported to CDC.
Total Cases:
Hospitalizations For The Week:
10/10:___67 (14/26 hospitals reporting)*
10/17:___78 (14 hospitals reporting)**
10/24:___116 (17 hospitals reporting)
12/14:___236
*The revised report for MMWR week 40 (10/4?10/10/09), a total of 98 patients were hospitalized for pneumonia and/or influenza-like illness, based on 21 hospitals reporting for week 40.
** Revised report for MMWR week 41 (10/11-10/17/09), a total of 127 patients were hospitalized for pneumonia and/or influenza-like illness, based on 20 hospitals reporting for week 41.
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