North Carolina 2013-14 Flu Season Wks 43-28: 6 Total Pediatric Deaths

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http://www.flu.nc.gov/data/

Week 43, ending Oct. 26

* Influenza activity in North Carolina remains low.

* The geographic spread of flu was NO ACTIVITY for week ending 10/26/13.

* Of the eight samples submitted to the State Laboratory of Public Health (SLPH) for viral testing during the past week, zero tested positive for influenza.

* Hospital-based Public Health
Epidemiologists (PHEs) reported three positive influenza results during week 43 (ending 10/26/13). One A (H1N1) and two A (not subtyped).

Regional Updates
* Influenza like illness remained below baseline in Region 4 (Southeastern US) during week ending 10/26/13.

* The proportion of visits due to ILI in region 4 was 1.1% for week 42 ending 10/19/13. The baseline for the region is 1.9%.

National Updates
* The proportion of outpatient visits due to ILI nationally was 1.2% for week 42 (ending 10/19/13). The national baseline for ILI is 2.0%.

* There have been a total of 19 human infections with H3N2v, no new were reported during week 43, among residents of five states so far in 2013. These infections have mostly been associated with prolonged exposure to pigs at agricultural fairs.

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Re: North Carolina 2013-2014 Influenza Season

Week 44, ending Nov 2

Statewide Updates
* Influenza activity in North Carolina remains low.
* The geographic spread of flu was SPORADIC for week ending 11/02/13.
* Of the eight samples submitted to the State Laboratory of Public Health for viral testing during the past week, zero tested positive for influenza.
* Hospital-based Public Health Epidemiologists (PHEs) reported eight positive influenza results during week 44 (ending 11/02/13). One influenza B, three A (H1N1) positives and four A (not subtyped).

Regional Updates
* Influenza like illness remained below baseline in Region 4 (S.E. US) during week ending 10/26/13.
* The proportion of visits due to ILI in region 4 was 1.3% for week 43 ending 10/26/13. The baseline for the region is 1.9%.

National Updates
* The proportion of outpatient visits due to ILI nationally was 1.2% for week 43 (ending 10/26/13). The national baseline for ILI is 2.0%.
* There have been a total of 19 human infections with H3N2v. These infections have mostly been associated with prolonged exposure to pigs at agricultural fairs. No new were reported during week 44 (ending 11/2/2013), among residents of five states so far in 2013

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Influenza Season Wks 43-47

Week 47, ending Nov 23

Visits to emergency depts and outpatient clinics:1% due to ILI

NC Flu-Associated Deaths cumulative and this week: 1 in the 50-64 age group

Annual ILI trends: this year is similar to 2010-11 and 2011-12

Total isolates identified to date:
A H1N1 Pandemic: 8
A H3: 1
B: 1

http://www.flu.nc.gov/data/

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Re: North Carolina 2013-14 Influenza Season Wks 43-48

Week 48, ending Nov 30

Geographic Spread: Local

? Influenza like illness increased slightly during the week 48 ending 11/30/2013.

? Of the twelve samples submitted to the State Laboratory of Public Health (SLPH) for viral testing this week, five tested positive for influenza A (H1N1).

? Hospital-based Public Health Epidemiologists (PHEs) reported forty-
three positive influenza results during week 48 (ending 11/30/13). Twenty-four positive influenza A (subtype unknown), eighteen positive A (H1N1), and one influenza B positive.

? Rhinovirus was the most frequently identified respiratory viral pathogens followed by influenza during week 48 (ending 11/30/13)

? The highest number of acute respiratory admissions was reported among patients age 65 and over during week 48.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Influenza Season Wks 43-49

Week 49, ending Dec 7

The geographic spread of flu: Regional

? Influenza like illness decreased in ILINet during week 49 and increased according to emergency department (NC DETECT) data.

? Of the twenty-eight samples submitted to the State Laboratory of Public Health (SLPH) for viral testing this week, fifteen tested positive for influenza A (H1N1) and one was influenza A (subtype unknown).

? Hospital-based Public Health Epidemiologists (PHEs) reported fifty-eight positive influenza results during week 49. Twenty-nine positive influenza A (subtype unknown), twenty-eight positive A (H1N1), and one influenza B positive.

? Hospital-based Public Health Epidemiologists (PHEs) reported fifty-eight positive influenza results during week 49. Twenty-nine positive influenza A (subtype unknown), twenty-eight positive A (H1N1), and one influenza B positive.

? Rhinovirus was the most frequently identified respiratory viral pathogens followed by influenza during week 49.

? Acute respiratory admissions decreased during week 49.

? The highest number of acute respiratory admissions was reported among patients age 65 and over followed by age group of 25-64 years during week 49.

INFLUENZA VIRUS ISOLATES FROM IN-STATE PATIENTS IDENTIFIED BY THE STATE LABORATORY OF PUBLIC HEALTH:
Type, Week 49, Cumulative:
A (subtype unknown): 1, 1
2009 A(H1N1): 14, 27
A/H3: 0, 1
A/H3N2v: 0, 0
B: 0, 0
Total: 15, 30

NC Influenza-Associated Deaths:
Week 49: 2
Cumulative: 4
All deaths were adults: 2 in the 25-49 age group and 2 in the 50-64 group.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Influenza Season Wks 43-50

Week 50, ending Dec 14

Influenza Activity Level: Regional
Influenza like illness increased during week 50

• Of the twenty-eight samples submitted to the State Laboratory of Public Health (SLPH) for viral testing this week, nineteen tested positive for influenza A (H1N1).

• Hospital-based Public Health Epidemiologists (PHEs) reported 104 positive influenza results during week 50. Forty-seven positive influenza A (subtype unknown), fifty-five positive A (H1N1), and two influenza B positive.

• Influenza was the most frequently identified respiratory viral pathogens during week 50, followed by RSV

• Acute respiratory admissions decreased during week 50.

•The highest number of acute respiratory admissions was reported among patients age 25- 64 years followed by age 65 and over during week 50.

Influenza Associated Deaths
Current Week: 3
Since Wk 40: 7
25-49: 3
50-64: 3
65+: 1
*** Compared to wk 49 totals, there was 1 new death in each of those three age groups.

Regional Updates
• Influenza like illness was above baseline in Region 4 (Southeastern US) during week 49.
• The proportion of visits due to ILI in region 4 was 2.4% for week 49. The baseline for the region is 1.9%.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Influenza Season Wks 43-51

Week 51, ending Dec 21

Geographic Activity: Widespread

? Influenza like illness increased during week 51 ending on 12/21/2013.

? Of the twenty-six samples submitted to the State Laboratory of Public Health (SLPH) for viral testing this week, ten tested positive for influenza A (H1N1) and one influenza A (subtype unknown).

? Hospital-based Public Health Epidemiologists (PHEs) reported 133 positive influenza results during week 51. Fifty positive influenza A (subtype unknown), seventy-nine positive A (H1N1), three positive influenza, and one positive influenza A/H3.

? Influenza was the most frequently identified respiratory viral pathogens during week 51 (ending 12/21/13) followed by RSV.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Influenza Season Wks 43-52

Week 52, ending Dec 28

Geographic spread of flu: Widespread
Influenza like illness increased during week 52.

• Influenza-Associated Deaths Wk 52: 5
• Total Influenza-Associated Deaths Since Week 40: 13

• Hospital-based Public Health Epidemiologists (PHEs) reported 186 positive influenza results during week 52. 98 positive A (H1N1), 86 positive influenza A (subtype unk) and 2 positive influenza B.

• Of the 12 samples submitted to the State Laboratory of Public Health (SLPH) for viral testing this week, 7 tested positive for influenza A (H1N1).

• Influenza was the most frequently identified respiratory viral pathogens during week 52 followed by RSV.

• Acute respiratory admissions decreased during week 52.
• The highest number of acute respiratory admissions was reported among patients age 25- 64 years followed by age 65+.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Flu Season Wks 43-01

Wk 01, ending Jan 4

NC Influenza-Associated Deaths:
Current week: 5
STD: 21

Age groups:
25-49: 12
50-64: 7
65+: 2

The highest number of acute respiratory admissions was reported among patients age 25- 64 years followed by age 65 and over during week 1.

Hospital-based Public Health Epidemiologists (PHEs) reported 408 positive influenza results during week 1 (ending 1/4/14). Three-hundred and thirty-two positive A (H1N1), seventy-three positive influenza A (subtype unknown), three positive influenza B, and one positive A (H3).

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Flu Season Wks 43-02

Wk 02, ending Jan 11

NC Influenza-Associated Deaths:
Current week: 5
STD: 27

Age groups:
0-4: 0
5-17: 0
18-24: 0
25-49: 13
50-64: 9
65+: 5

Acute respiratory admissions decreased slightly during week 2.
The highest number of acute respiratory admissions was reported among patients age 25- 64 years followed by age 65 and over during week 2.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Flu Season Wks 43-03: 1 New Pediatric Death, 1 Total

Wk 03, ending Jan 19,

Influenza-Associated Deaths
Wk 3: 5
STD: 33

0-4: 1
5-17: 0
18-24: 0
25-49: 15
50-64: 9
65+: 8

Acute respiratory admissions decreased slightly during week 3.
The highest number of acute respiratory admissions was reported among patients age 25- 64 years followed by age 65 and over.

Hospital-based Public Health Epidemiologists (PHEs) reported 308 positive influenza results during week 3; 280 A (H1N1), 26 influenza A (subtype unknown), 1 influenza B, and 1 A (H3).

Influenza was the most frequently identified respiratory viral pathogens during week 3 (ending 1/18/2014) followed by RSV.

http://www.flu.nc.gov/data/documents/flu1314.pdf

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Re: North Carolina 2013-14 Flu Season Wks 43-08: 2 New Pediatric Deaths, 5 Total

Wk 08, ending Feb 22

New Flu Deaths 2/16/14-2/22/14: 4
Total Flu Deaths Since Wk 40: 81

http://www.flu.nc.gov/data/

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Re: North Carolina 2013-14 Flu Season Wks 43-14: 1 New Pediatric Deaths, 6 Total

Wk 14, ending Apr 5

One new pediatric death was reported for Wk 14
Total NC Influenza-Associated Deaths Wk 14: 2
Total NC Influenza-Associated Deaths Since Wk 40: 98

http://www.flu.nc.gov/data/documents/flu1314.pdf