New Hampshire 2013-14 Flu Season Wk 44-02

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http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm

Week 44, ending Nov 2, 213

Summary MMWR Week 44:
* Activity Influenza-like illness and acute respiratory illness were the same or similar compared to the previous week at 0.1% and 1.9% of patient visits, respectively.
* Pneumonia and influenza-related deaths accounted for 5.7% of deaths, which was below the epidemic threshold of 10.5% for week 44.
* One respiratory specimen was submitted for laboratory testing during week 44, which was negative.
* NH reported ?no activity? for week 44.

* For week 44 (10/27/13?11/2/13), 5.7% of all deaths recorded in NH were reported as due to P&I. This is below the epidemic threshold for week 44 (10.5%).

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44

(New Hampshire surveillance reporting is one week behind.)

Week 45, ending Nov 9

Summary MMWR Week 45 Activity:
* Influenza-like illness and acute respiratory illness were similar or the same compared to the previous week at 0.3% and 2.0% of patient visits, respectively.

*Pneumonia and influenza-related deaths accounted for 6.6% of deaths, which was below the epidemic threshold of 10.2% for week 45.

*There were no respiratory specimens submitted for laboratory testing during week 45.

*NH reported ?no activity? for week 45.

* For week 45 (11/03/13?11/09/13), 6.6% of all deaths recorded in NH were reported as due to P&I. This is below the epidemic threshold for week 45 (10.2%).

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-46

Week 46, ending Nov 16

Summary MMWR Week 46 Activity:
? Influenza-like illness and acute respiratory illness were similar compared to the previous week at 0.2% and 1.9% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 7.3% of deaths, which was below the epidemic threshold of 16.5% for week 46.
? Two respiratory specimens were submitted for laboratory testing during week 46, and both were negative.

? For week 46 (11/10/13?11/16/13), 7.3% of all deaths recorded in NH were reported as due to P&I. This is below the epidemic threshold for week 46 (16.5%).

? Overall influenza activity in NH for week 46 was ?no activity.? Flu activity for week 47 was reported as ?sporadic,? and will be included in CDC?s update for week 47.

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-47

Week 47, ending Nov 23

NH reported ?sporadic? for week 47

Summary MMWR Week 47 Activity:
* Influenza-like illness and acute respiratory illness were the same or slightly decreased compared to the previous week at 0.2% and 1.7% of patient visits, respectively.
* Pneumonia and influenza-related deaths accounted for 5.5% of deaths, which was below the epidemic threshold of 12.5% for week 47.
* Six respiratory specimens were submitted for laboratory testing during week 47, and one was positive for 2009 influenza A (H1N1). Five were negative.

For week 47 (11/17/13?11/23/13), 0.2% of patient visits to NH ILINet participating providers were due to ILI, based on 26 providers reporting 4,281 patient visits, which is the same as week 46 (0.2%). In AHEDD for week 47, 1.7% of patient visits to hospital emergency departments were due to ARI, based on 25 hospitals reporting a total of 10,169 patient encounters, which is a slight decrease compared to week 46 (1.9%).


For week 47 (11/17/13?11/23/13), 5.5% of all deaths recorded in NH were reported as due to P&I. This is below the epidemic threshold for week 47 (12.5%).

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-48

Week 48, ending Nov 30

Influenza Activity: Local

Summary MMWR Week 48 Activity:
? Influenza-like illness and acute respiratory illness were the same as the previous week at 0.2% and 1.7% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 5.3% of deaths, which was below the epidemic threshold of 11.1% for week 48.
? Ten respiratory specimens were submitted for laboratory testing during week 48, and one was positive for 2009 influenza A (H1N1). Nine were negative.

Outpatient Illness Surveillance:
For week 48 (11/24/13?11/30/13), 0.2% of patient visits to NH ILINet participating providers were due to ILI, based on 21 providers reporting 2,272 patient visits, which is the same as week 47 (0.2%). In AHEDD for week 48, 1.7% of patient visits to hospital emergency departments were due to ARI, based on 25 hospitals reporting a total of 9,563 patient encounters, which is the same as week 47 (1.7%).

Pneumonia & Influenza Mortality:
For week 48 (11/24/13?11/30/13), 5.3% of all deaths recorded in NH were reported as due to P&I. This is below the epidemic threshold for week 48 (11.1%).

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-49

Week 49, ending Dec 7

NH reported ?no activity? for week 49

For week 49 (12/01/13?12/07/13), 0.1% of patient visits to NH ILINet participating providers were due to ILI, based on 19 providers reporting 3,576 patient visits, which is similar compared to week 48 (0.2%).

In AHEDD for week 49, 1.8% of patient visits to hospital emergency departments were due to ARI, based on 25 hospitals reporting a total of 9,720 patient encounters, which is similar compared to week 48 (1.7%).

Pneumonia and influenza-related deaths accounted for 7.2% of deaths, which was below the epidemic threshold of 10.8% for week 49.

Fifteen respiratory specimens were submitted for laboratory testing during week 49. Fourteen were negative and one was reported as an invalid result.

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-50

Week 50, ending Dec 14

Influenza Activity: Regional

Activity Influenza-like illness and acute respiratory illness were similar or slightly increased compared to the previous week at 0.2% and 2.0% of patient visits, respectively.

Pneumonia and influenza-related deaths accounted for 7.3% of deaths, which was below the epidemic threshold of 12.5% for week 50.

Twenty-eight respiratory specimens were submitted for laboratory testing during week 50. Twelve were positive for 2009 influenza A (H1N1) and three for influenza B. Thirteen were negative.

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Influenza Season Wk 44-51

Week 51, ending Dec 21

NH reported ?local? flu activity for week 51.
Flu activity for week 52 was reported as ?regional?, and will be included in CDC?s update for week 52.

Summary:
Influenza-like illness and acute respiratory illness were similar or the same compared to the previous week at 0.1% and 2.0% of patient visits, respectively.

Pneumonia and influenza-related deaths accounted for 6.8% of deaths, which was below the epidemic threshold of 13.1% for week 51.

Sixteen respiratory specimens were submitted for laboratory testing during week 51. Five were positive for 2009 influenza A (H1N1). Ten were negative and one had an inconclusive result.

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

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Re: New Hampshire 2013-14 Flu Season Wk 44-02

Wk 02, ending Jan 11

Pneumonia and influenza-related deaths accounted for 5.7% of deaths, which was below the epidemic threshold of 17.4% for week 1.

Influenza-like illness and acute respiratory illness were decreased and increased compared to the previous week at 0.3% and 3.2% of patient visits, respectively.

Twenty-five respiratory specimens were submitted for laboratory testing during week 1. Eighteen were positive for 2009 influenza A (H1N1) and one for influenza A (H3). Six were negative.

http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf