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Florida 2010-2011 Season: Weeks 40-38 (No New Deaths, Total 3)

Re: Florida 2010-2011 Season: Weeks 40-44

Re: Florida 2010-2011 Season: Weeks 40-44

Week 44: Sporadic
ILI: 1.4%
16 counties reported increased flu activity
30.6% specimens positive: A(H3), A(H1N1) and B
http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/index.html

CDC definitions:
Local: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in a single region of the state.
Regional:Outbreaks of influenza or increases in ILI and recent laboratory confirmed influenza in at least two but less than half the regions of the state with recent laboratory evidence of influenza in those regions.
http://www.cdc.gov/flu/weekly/overview.htm#Summary
 
Re: Florida 2010-2011 Season: Weeks 40-47

Re: Florida 2010-2011 Season: Weeks 40-47

Week 47: Sporadic
ILI: 1.6%
17 counties reported increased flu activity
22.6% specimens positive

Current influenza strains circulating in Florida are primarily influenza A H3, with some 2009 H1N1
and influenza B. Other viruses known to be currently circulating, potentially causing influenza-like
illness, include adenovirus, rhinovirus, parainfluenza and RSV. RSV activity is currently elevated,
as is expected during the RSV season.
http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/index.html
 
Re: Florida 2010-2011 Season: Weeks 40-48 (Local Activity)

Re: Florida 2010-2011 Season: Weeks 40-48 (Local Activity)

Week 48: Local
ILI: 1.8%
21 counties reported increased flu activity
31.3% specimens positive

Influenza-like illness (ILI) activity is low to moderate and increasing in many of our monitoring, systems. This week no counties reported widespread activity, and five counties reported moderate, 21 counties reported increasing influenza activity.

ESSENCE and ILINet ILI data are elevated compared to previous years at this time, especially in the southern regions of Florida.

Current influenza strains circulating in Florida are primarily influenza A H3, with some 2009 H1N1
and influenza B. Other viruses known to be currently circulating, potentially causing influenza-like
illness, include adenovirus, rhinovirus, parainfluenza and RSV. RSV activity is currently elevated,
as is expected during the RSV season.

In week 48 an influenza outbreak was reported in a skilled nursing facility (SNF) in Palm Beach
County. Ten cases of ILI were reported among residents, and 4 among staff, with onset dates
between 11/20-11/26. Six residents tested positive for influenza by rapid test, other specimens
were not able to be collected. The SNF was advised of proper vaccination, testing, and droplet
precautions. There have been 2 previous outbreaks in the 2010-11 influenza season, in a long-term
care facility and a school, respectively.
http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/index.html
 
Re: Florida 2010-2011 Season: Weeks 40-1

Re: Florida 2010-2011 Season: Weeks 40-1

For week 52 (ending January 1) there were:
190 deaths reported
Upper bound of 95% confidence interval for prediction: 182 deaths
Eight excess deaths
The majority of the deaths are in those aged 75 years and older.

Week 1: Regional
ILI: 2.8%
ED ILI: 3.9%
There were four influenza or ILI outbreaks and one respiratory illness outbreak reported into EpiCom during week 1.
26 counties reported increased flu activity
47.1% specimens positive: A(H3), A(H1N1) and B
http://www.doh.state.fl.us/disease_ctrl/epi/htopics/flu/2011/index.html
 
Re: Florida 2010-2011 Season: Weeks 40-4 (Widespread)

Re: Florida 2010-2011 Season: Weeks 40-4 (Widespread)

Week 4: Widespread
ILI: 4.0%
ED ILI: 4.4%
35 counties reported increased flu activity
63.1% specimens positive for influenza

FL ILI Week 4.png

A familiar trend is shaping up in Florida - of leveling off or slight decreases in overall flu accompanied by and increase in pH1N1 and more serious cases.

FL Isolates Week 4.png

http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/Week-04-2010-2011.pdf
 
Re: Florida 2010-2011 Season: Weeks 40-6 (No New Deaths, Total 1)

Re: Florida 2010-2011 Season: Weeks 40-6 (No New Deaths, Total 1)

Week 6: Widespread
2 new outbreaks (daycare: lab-confirmed influenza; skilled nursing facility: influenza A)
ILI: 3.4%
ED ILI: 3.9%
18 counties reported increased flu activity
47.2% specimens positive for influenza (Influenza B predominant)
http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/Week-06-2010-2011.pdf
http://www.doh.state.fl.us/Disease_ctrl/epi/htopics/flu/2011/index.html
 
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