us cdc swine flu 19 may 2009

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Director’s Update Brief

Tuesday

19 May 2009 1100 EDT

Day 31

Day of Long Range Workforce Planning

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Novel Influenza A (H1N1) Key Events

19 May 2009 1100 EDT

Novel Influenza A (H1N1) Declarations

– HHS: Downgraded to Phase 1 – Awareness (9 May 2009)
– WHO: Pandemic Phase 5 (29 Apr 1600 EDT)
– USG: Public Health Emergency declared (26 Apr 2009)
– SLTT Declarations: 10

• CA, TX, WI, FL, NE, VA, MD, IA, OH, American Samoa

US Cases:

International Cases: 8,829 in 40 Countries

– New countries with confirmed cases: Chile

Deployments: 73 deployed, 5 pending, 207 potential (200 DGMQ)

DSNS: 13 million Antiviral Replenishment regimens placed

Cases

Hosp

Deaths

5469

229

6

48

35

3

Total States Affected

INCL DC

US TOTAL Cases INCL

DC

Total Confimed and Probable

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200-400

51-200

1-50

0

>400

Epidemiology/Surveillance

Number of Novel Influenza A (H1N1) Cases Reported to CDC by State

19 May 2009 1100 EDT (n=5,469)

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Epidemiology/Surveillance

Confirmed and Probable Novel Influenza A (H1N1)

Cases By Onset Date - 19 May 2009 1100 EDT

0

100

200

300

400

500

28-

M

ar

30-

Mar

1-

A

pr

3-

A

pr

5-

A

pr

7-

A

pr

9-

A

pr

11-

A

pr

13

-A

pr

15-

A

pr

17

-A

pr

19-

A

pr

21

-A

pr

23-

A

pr

25

-A

pr

27-

A

pr

29

-A

pr

1-M

ay

3-

May

5-M

ay

7-

May

9-M

ay

11-

M

ay

13-

May

15-

M

ay

17-

May

19-

M

ay

D

Date

ss Onset

N

o

. o

f C

ases

Onset date (n=1,632)

Report date (n=5,364)

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510

3,499

1,003

44

413

0

500

1,000

1,500

2,000

2,500

3,000

3,500

#

C

o

n

fi

rm

e

d

a

n

d

Pr

o

b

a

b

le

C

a

s

e

s

0-4 5--24

25--64

≥65

Unknown

Age (Years)

9%

64%

18%

1%

8%

Epidemiology/Surveillance

Total Confirmed and Probable Novel Influenza A (H1N1)

Cases (n=5,469) by Age - 19 May 2009 1100 EDT

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Epidemiology/Surveillance

Current Influenza Surveillance - 19 May 2009 1100 EDT

WHO/NREVSS Collaborating Laboratories (graph)

– Seasonal influenza A (H1), A (H3), and B viruses co-circulated with

novel influenza A (H1N1) viruses

Influenza-associated Pediatric Deaths

– No new influenza-associated pediatric deaths were reported

– 2008-09 season total = 61

ILINet (graph)

– % ILI visits was below the national baseline

– % ILI visits remains constant

122 Cities Mortality Reporting System (graph)

– % pneumonia and influenza deaths remains stable

Geographic Spread of Influenza as Assessed by State and Territorial

Epidemiologists

– Widespread: 8 states; Regional: 14 states; Local: 15 states and DC;

Sporadic: 13 states

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Epidemiology/Surveillance

U.S. WHO/NREVSS Collaborating Laboratories

Summary, 2008-09

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

1

0

/4

1

0

/1

8

1

1

/1

1

1

/1

5

1

1

/2

9

1

2

/1

3

1

2

/2

7

1

/1

0

1

/2

4

2

/7

2

/2

1

3

/7

3

/2

1

4

/4

4

/1

8

5

/2

5

/1

6

5

/3

0

6

/1

3

6

/2

7

7

/1

1

7

/2

5

8

/8

8

/2

2

Week ending

N

u

m

b

e

r

o

f

Po

si

ti

ve

Sp

e

ci

m

e

n

s

0

4

8

12

16

20

24

28

32

36

40

Pe

rce

n

t

Po

si

ti

ve

A(H1N1-Sw ine)

A(Could not be subtyped)

A(H3)

A(H1)

A(Unsubtyped)

B

Percent Positive

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

4/11

4/18

4/25

5/2*

5/9

5/16

5/23

5/30

Week ending

N

u

m

b

e

r

o

f

Is

o

la

te

s

0

2

4

6

8

10

12

14

16

18

20

22

P

e

rc

e

n

t

P

o

s

it

iv

e

*

Percentage of all positive

influenza specimens that are
Novel Influenza A(H1N1) or
Influenza A (unable to subtype)
for the week indicated

33%*

44%*

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NOTE: Week ending dates vary by influenza season

*Preliminary ILI data for week 19, as of May 18, 2009 (n=367 weekly ILI reports received from 44 states)

There was no week 53 during the 2006-07 and 2007-08 seasons, therefore the week 53 data point for those seasons is an average of weeks 52 and 1.

Epidemiology/Surveillance

Percentage of Visits for Influenza-like Illness (ILI) Reported by

the US Outpatient Influenza-like Illness Surveillance Network (ILINet),

National Summary 2008-09 and Previous Two Seasons

0

1

2

3

4

5

6

7

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

2006-07†

2007-08†

2008-09

National Baseline

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NOTE: Scales differ between regions

NOTE: There was no week 53 during the 2006-07 and 2007-08 seasons, therefore the week 53 data point for those seasons is an average of weeks 52 and 1.

Region II - NJ, NY

0

2

4

6

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

Region III - DE, DC, MD, PA, VA, W V

0

1

2

3

4

5

6

7

8

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

Region I - CT, ME, MA, NH, RI, VT

0

1

2

3

4

5

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

2006-07

2007-08

2008-09

Baseline

Epidemiology/Surveillance

Current Influenza Surveillance – ILINet Regions I-III

19 May 2009 1100 EDT

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NOTE: Scales differ between regions

NOTE: There was no week 53 during the 2006-07 and 2007-08 seasons, therefore the week 53 data point for those seasons is an average of weeks 52 and 1.

Region IV - AL, FL, GA, KY, MS, NC, SC, TN

0

1

2

3

4

5

6

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

Vi

si

ts

fo

r

IL

I

Region V - IL, IN, MI, MN, OH, W I

0

2

4

6

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

Vi

si

ts

fo

r

IL

I

Region VI - AR, LA, NM, OK, TX

0

2

4

6

8

10

12

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

Vi

si

ts

fo

r

IL

I

2006-07

2007-08

2008-09

Baseline

Epidemiology/Surveillance

Current Influenza Surveillance – ILINet Regions IV-VI

19 May 2009 1100 EDT

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NOTE: Scales differ between regions

NOTE: There was no week 53 during the 2006-07 and 2007-08 seasons, therefore the week 53 data point for those seasons is an average of weeks 52 and 1.

Region X - AK, ID, OR, W A

0

2

4

6

8

10

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

Region IX - AZ, CA, HI, NV

0

2

4

6

8

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

Region VIII - CO, MT, ND, SD, UT, W Y

0

1

2

3

4

5

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

Region VII - IA, KS, MO, NE

0

2

4

6

8

10

/4

10

/1

8

11

/1

11

/1

5

11

/2

9

12

/1

3

12

/2

7

1/

10

1/

24

2/

7

2/

21

3/

7

3/

21

4/

4

4/

18

5/

2

5/

16

Week Ending Dates

%

o

f

V

is

it

s

f

o

r

IL

I

2006-07

2007-08

2008-09

Baseline

Epidemiology/Surveillance

Current Influenza Surveillance – ILINet Regions VII-X

19 May 2009 1100 EDT

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International

Novel Influenza A (H1N1) - 19 May 2009 1100 EDT

WHO global case count: 8,829 confirmed cases in 40 countries*

– New countries with confirmed cases:

Chile

• 2 women (25 & 32 years old), traveled to Dominican Republic with

transit through Panama

– Countries with highest confirmed case count after the US and

Mexico:

• Canada: 496 (=)

Spain: 103 (=)

• UK: 101 ( 19)

Panama: 54 (=)

Japan reports 26 new cases, most among high school students in
Kobe and Osaka

– Students from different towns competed in volleyball match
– Widespread infection reported in region, with probable cases

numbering 125+

– Schools in the region have been closed

*

WHO case counts are current as of May 18, 2009; 8:00 pm EDT

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Communications Summary

Novel Influenza A (H1N1) - 19 May 2009 1100 EDT

Channel Traffic

Web Page Views: 547,371 (+7%)

Public Inquiries: 178 (-5%)

News Stories: Print/Internet: 212 (+86%)

Social Media: “Swine Flu” Twitters (12.6/min.), “H1N1” (3.9/min.)

Themes

Death of asst. principal - school closings in NYC

Outbreak is not “winding down”

Spreading rapidly throughout the world (“spreading like wildfire”)

Spreading faster than the seasonal virus

Japan swine flu cases surge, most are teenagers

WHO annual meeting to consider: 1) raising pandemic alert to level 6, and 2) vaccine production

questions

Potential for ebb during the summer and return of cases in the fall (”return with a vengeance”)

Emerging Themes

Adequate Supply of Swine Flu Vaccine Uncertain: “The current swine flu outbreak is raising

critical questions about the timing of bringing a new vaccine to market and the logistics of getting

it to the people who need it” (Atlanta Journal Constitution)


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