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New Hampshire 2010-2011 Season: Weeks 40-21 (Final Report)

Re: New Hampshire 2010-2011 Season: Weeks 40-44

Re: New Hampshire 2010-2011 Season: Weeks 40-44

Week 44: Sporadic
Influenza-like illness and acute respiratory illness were slightly increased compared to the previous week at 0.4% and 2.4% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 7.3% of deaths, which was below the epidemic threshold of 10.9% for week 44.
? Twelve new respiratory specimens were submitted for laboratory testing during week 44 and one was positive for influenza A (H3N2); eleven were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-45

Re: New Hampshire 2010-2011 Season: Weeks 40-45

Week 45: No Activity
? Influenza-like illness and acute respiratory illness were the same or similar compared to the previous week at 0.4% and 2.2% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 6.1% of deaths, which was below the epidemic threshold of 9.8% for week 45.
? Ten new respiratory specimens were submitted for laboratory testing during week 45, which were all negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-46

Re: New Hampshire 2010-2011 Season: Weeks 40-46

Week 46: No Activity
? Influenza-like illness and acute respiratory illness were similar or the same compared to the previous week at 0.3% and 2.2% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 7.5% of deaths, which was below the epidemic threshold of 9.9% for week 46.
? Nine new respiratory specimens were submitted for laboratory testing during week 46, which were all negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-48

Re: New Hampshire 2010-2011 Season: Weeks 40-48

Week 47: Sporadic
? Influenza-like illness and acute respiratory illness were similar or increased compared to the previous week at 0.2% and 2.7% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 9.9% of deaths, which was below the epidemic threshold of 12.8% for week 47.
? Eight new respiratory specimens were submitted for laboratory testing during week 47. Two were positive for influenza A (H3) and six were negative.
P&I deaths: 9.9%

Week 48: No Activity
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-49

Re: New Hampshire 2010-2011 Season: Weeks 40-49

Week 49: Sporadic
? Influenza-like illness and acute respiratory illness were slightly increased or similar
compared to the previous week at 0.3% and 2.1% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 9.8% of deaths, which was
below the epidemic threshold of 10.5% for week 49.
? Sixteen new respiratory specimens were submitted for laboratory testing during week
49. One was positive for influenza A (H3) and fifteen were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-50

Re: New Hampshire 2010-2011 Season: Weeks 40-50

Week 50: Sporadic Activity
? Influenza-like illness and acute respiratory illness were similar or increased compared to
the previous week at 0.1% and 2.7% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 9.1% of deaths, which was
below the epidemic threshold of 10.7% for week 50.
? Fourteen new respiratory specimens were submitted for laboratory testing during week
50. One was positive for influenza A (H3) and thirteen were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm

Weekly School Absenteeism: http://www.dhhs.nh.gov/dphs/cdcs/influenza/schoolsurveillance.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-51 (Local Activity)

Re: New Hampshire 2010-2011 Season: Weeks 40-51 (Local Activity)

Week 51: Local Activity
? Influenza-like illness and acute respiratory illness were slightly increased compared to the previous week at 0.3% and 3.0% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 4.0% of deaths, which was below the epidemic threshold of 14.3% for week 51.
? Eleven new respiratory specimens were submitted for laboratory testing during week 51. One was positive for influenza B and ten were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-52 (Regional Activity)

Re: New Hampshire 2010-2011 Season: Weeks 40-52 (Regional Activity)

Week 52: Regional
? Influenza-like illness and acute respiratory illness were similar or increased compared to
the previous week at 0.3% and 3.4% of patient visits, respectively.
? Pneumonia and influenza-related deaths accounted for 8.7% of deaths, which was
below the epidemic threshold of 9.6% for week 52.

23.5% positive for influenza: A/H3; 2009 A/H1N1
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-1 (Regional Activity)

Re: New Hampshire 2010-2011 Season: Weeks 40-1 (Regional Activity)

Week 1: Regional Activity
Influenza-like illness and acute respiratory illness were the same or slightly decreased compared to the previous week at 0.3% and 3.0% of patient visits, respectively.
35% positive specimens for influenza (2009 H1N1; A/H3)
P&I deaths: 13.2%
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-2 (Regional Activity)

Re: New Hampshire 2010-2011 Season: Weeks 40-2 (Regional Activity)

Week 2: Regional Activity
• Influenza-like illness and acute respiratory illness were similar compared to the previous week at 0.3% and 2.8% of patient visits, respectively.
• Pneumonia and influenza-related deaths accounted for 7.1% of deaths, which was below the epidemic threshold of 13.6% for week 2.
• 52% positive (Twenty-seven new respiratory specimens were submitted for laboratory testing during week 2. Eleven were positive for influenza A (H3) and three were positive for 2009 influenza A (H1N1). Thirteen were negative)
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-4

Re: New Hampshire 2010-2011 Season: Weeks 40-4

Week 3: Regional
• Influenza-like illness and acute respiratory illness were slightly increased or similar
compared to the previous week at 0.4% and 2.7% of patient visits, respectively.
• Pneumonia and influenza-related deaths accounted for 12.8% of deaths, which was
above the epidemic threshold of 11.8% for week 3.
• Twelve new respiratory specimens were submitted for laboratory testing during week 3.
Seven were positive for influenza A (H3) and one was positive for 2009 influenza A
(H1N1). Four were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf

Week 4:
School absenteeism has increased compared to last week.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/schoolsurveillance.htm
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-5

Re: New Hampshire 2010-2011 Season: Weeks 40-5

Week 4:
• Influenza-like illness and acute respiratory illness were the same or slightly increased compared to the previous week at 0.4% and 3.0% of patient visits, respectively.
• Pneumonia and influenza-related deaths accounted for 10.5% of deaths, which was above the epidemic threshold of 9.4% for week 4.
• Thirty new respiratory specimens were submitted for laboratory testing during week 4.Eight were positive for influenza A (H3), three were positive for 2009 influenza A (H1N1),and one was positive for influenza B. Sixteen were negative and two were rejected.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm

Weeks 5 & 6:
School Surveillance (ILI absenteeism) http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/week5.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/week5.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/schoolsurveillance.htm

ARI (Acute Respiratory Illness) http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/ariweek05.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/arisurveillance.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-5/6

Re: New Hampshire 2010-2011 Season: Weeks 40-5/6

Week 5:
• Influenza-like illness and acute respiratory illness were similar or slightly increased compared to the previous week at 0.5% and 3.2% of patient visits, respectively.
• Pneumonia and influenza-related deaths accounted for 6.1% of deaths, which was below the epidemic threshold of 13.9% for week 5.
• Thirty-two new respiratory specimens were submitted for laboratory testing during week 5. Twelve (38%) were positive for influenza A (H3) and five were positive for 2009 influenza A(H1N1). Fifteen were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm

Acute Respiratory Illness (ARI) increased in week 6 compared to week 5: http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/ariweek06.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/arisurveillance.htm

School Surveillance Reports (week 6): http://www.dhhs.nh.gov/dphs/cdcs/influenza/schoolsurveillance.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-6

Re: New Hampshire 2010-2011 Season: Weeks 40-6

Week 6:
? Influenza-like illness and acute respiratory illness were slightly increased or increased compared to the previous week at 0.7% and 3.9% of patient visits, respectively.
? P&I: 11.5% of deaths, which was below the epidemic threshold of 12.3% for week 6.
? 63% positive for influenza: 54% (A/H3), 46% (2009 A/H1N1)
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm

Acute Respiratory Illness (ARI) increased in week 7 compared to week 6:
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/ariweek07.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/arisurveillance.htm

School absenteeism increased (week 7): http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/week7.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/schoolsurveillance.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-7

Re: New Hampshire 2010-2011 Season: Weeks 40-7

Week 7: Widespread
Influenza-like illness and acute respiratory illness were the same or slightly increased compared to the previous week at 0.7% and 4.1% of patient visits, respectively.

Pneumonia and influenza-related deaths accounted for 12.4% of deaths, which was below the epidemic threshold of 12.5% for week 7.

Sixty-three new respiratory specimens were submitted for laboratory testing during week 7. Twelve were positive for influenza A (H3), 19 were positive for 2009 influenza A(H1N1), and 2 were positive for influenza B. Twenty-eight were negative and 2 were inconclusive.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
Re: New Hampshire 2010-2011 Season: Weeks 40-8

Re: New Hampshire 2010-2011 Season: Weeks 40-8

Week 8: Widespread
Influenza-like illness and acute respiratory illness were similar or increased compared to the previous week at 0.8% and 4.6% of patient visits, respectively.

? Pneumonia and influenza-related deaths accounted for 10.4% of deaths, which was below the epidemic threshold of 12.2% for week 8.
? Eighty-two new respiratory specimens were submitted for laboratory testing during week 8. Thirty-one were positive for influenza A (H3), 22 were positive for 2009 influenza A(H1N1), and 2 were positive for influenza B. Twenty-seven were negative.
http://www.dhhs.nh.gov/dphs/cdcs/influenza/documents/weeklyflu.pdf
http://www.dhhs.nh.gov/dphs/cdcs/influenza/activity.htm
 
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