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Week 40: Sporadic
ILI: 1.34%
11% (2/18) specimens tested positive for flu: Flu B; A(H1N1)
ILI: 1.34%
11% (2/18) specimens tested positive for flu: Flu B; A(H1N1)
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Re: Illinois 2010-2011 Season: Weeks 40-41
Week 41: No Activity
ILI: 1.7%
No positive specimens
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Re: Illinois 2010-2011 Season: Weeks 40-42
Week 42: Sporadic
ILI: 1.9%
7% positive specimens (3 for H3N2; 1 for 2009 H1N1)
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-43
Week 43: Sporadic
ILI: 2.4%
3% positive specimens (A/2009 H1N1)
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-44
Week 44: Sporadic
ILI: 1.3%
No positive specimens
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-45
Week 45: Sporadic
During CDC Week 45, the proportion of outpatient visits for influenza-like illness (ILI)was 1.8%.
The risk of illness due to influenza viruses is low. Numerous respiratory viruses can
cause ILI, and these viruses are now more prevalent than influenza viruses.
Febrile Respiratory Illness at Great Lake Naval Academy was at or below expected level.
During week 45, one (2.7%) of the specimens tested by Illinois Department of Public
Health laboratory tested positive for influenza. The isolate was influenza A human (H3)
subtype.
No influenza-associated pediatric deaths were reported.
No Influenza related ICU admissions and deaths were reported.
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-46
Week 46: Sporadic
ILI: 1.7%
During week 46, one (3.6%) of the specimens tested by Illinois Department of Public
Health laboratory tested positive for influenza. The isolate was influenza A human (H3)
subtype.
No influenza-associated pediatric deaths were reported.
No Influenza related ICU admissions and deaths were reported.
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-47
Week 47: Sporadic
During CDC Week 47, the proportion of outpatient visits for influenza-like illness (ILI)1 was 2.0%.
During week 47, one (10%) of the specimens tested by Illinois Department of Public Health laboratory tested positive for influenza. The isolate was influenza A human (H3) subtype.
No influenza-associated pediatric deaths were reported.
No Influenza related ICU admissions and deaths were reported.
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-48 (Local)
Week 48: Local Activity
ILI: 1.4%.
The risk of illness due to influenza viruses is low. Numerous respiratory viruses can
cause ILI, and these viruses are now more prevalent than influenza viruses.
Febrile Respiratory Illness at Great Lake Naval Academy was at or below expected level.
During week 48, six (25%) of the specimens tested by Illinois Department of Public
Health laboratory tested positive for influenza. The isolates were all influenza A human
(H3) subtype.
No influenza-associated pediatric deaths were reported.
Two Influenza related ICU admissions and no deaths were reported.
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-49
Week 49: Local Activity
1 hospitalization
ILI: 2.6%
35% positive specimens
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-50
Week 50: Local Activity
2 hospitalizations
ILI: 2.1%
50% positive specimens for influenza
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-51
Week 51: Local Activity
ILI: 3.5%.
37% of the specimens tested by Illinois Department of Public Health laboratory tested positive for influenza (A/H3; 2009 Influenza A H1N1)
No influenza-associated pediatric deaths were reported during week 51.
Nine influenza related ICU admissions and no deaths were reported during week 51.
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-52 (Regional Activity)
Week 52: Regional Activity
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-1 (One Death Reported)
Seven influenza related ICU admissions and one death were reported during week 52.
ILI: 3.9%
45% of the specimens tested positive for influenza. Thirty (79%) of the isolates were influenza A human (H3) subtype, and eight (21%) were 2009 Influenza A H1N1.
No influenza-associated pediatric deaths were reported during week 52.
Week 1: Regional
Comment
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Re: Illinois 2010-2011 Season: Weeks 40-2 (Regional)
During CDC Week 1, the proportion of outpatient visits for influenza-like illness was 3.3%. Although there was a decrease in overall ILI activity; some regions had increases in ILI activity. Children under the age of 5 years have the highest proportion of office visits related to ILI.
During week 1, thirty-five (43%) of the specimens tested by Illinois Department of Public Health laboratory tested positive for influenza. Of these, twenty-four (69%) of the isolates were influenza A human (H3) subtype, and eleven (31%) were 2009 Influenza A H1N1.
Three influenza related ICU admissions and no deaths were reported during week 1.
Week 2: Regional Activity
Comment
Comment