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Missouri 2012-13 Season: Weeks 41-20 (Sporadic) FINAL REPORT

Re: Missouri 2012-13 Season: Week 41-42

Re: Missouri 2012-13 Season: Week 41-42

Week 42: No Activity (No specimens were received by the State Public Health Laboratory for viral testing during week 42)

The proportion of patient visits for influenza-like illness is 2.46% for week ending October 20, 2012 (week 42). This is above Missouri’s baseline of 1.66%. This is also above the National baseline of 2.2% (Cole and Callaway counties, located adjacent to one another, reported ILI at 8.57% and 6.19%, respectively.)

Reported laboratory cases of influenza are up 114.8% from the 5-year median, influenza B predominant. Age groups under 25 most affected.

ER visits remain low and on the increase.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php

Local: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in a single region of the state.
http://www.cdc.gov/flu/weekly/overview.htm#Summary
 
Re: Missouri 2012-13 Season: Week 41-43

Re: Missouri 2012-13 Season: Week 41-43

Week 43: Sporadic (A total of six specimens were received by the State Public Health Laboratory for viral testing during week 43. Three were
positive for Influenza B and three were negative for influenza.)

The proportion of patient visits for influenza-like illness is 2.20% for week ending October 27, 2012 (week 43). This is above Missouri’s baseline of 1.66%. (Cole County reporting 8.21%; Callaway did not report)

P&I deaths elevated for this week compared with last year for this week and 5-year weekly median.

Influenza season-to-date is elevated in all age groups (compared with 5 season median), especially high in 14 years and younger.

ER visits remain low and increasing.
50% positive for influenza (all B)
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php


Local: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in a single region of the state.
http://www.cdc.gov/flu/weekly/overview.htm#Summary
 
Re: Missouri 2012-13 Season: Week 41-44

Re: Missouri 2012-13 Season: Week 41-44

Week 44: Sporadic (Four specimens were received by the State Public Health Laboratory for viral testing during week 44; all were negative for influenza.)

The number of reported influenza cases for week 44 of the 2012-2013 season is slightly above historical trends.

ILI: 1.68% (Callaway County 5.1%; Saline 3.55%)
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Week 41-45

Re: Missouri 2012-13 Season: Week 41-45

Week 45: Sporadic
50% positive for influenza (B)
The number of reported influenza cases for week 45 of the 2012-2013 season is slightly above historical trends.

ILI: 2.65% (Cole County 11.89%, Putnam 3.7%, Saline 4.97%; Callaway did not report.)
ED ILI continues to increase and is tracking slightly above previous years.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php

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: Missouri 2012-13 Season: Weeks 41-46

Re: Missouri 2012-13 Season: Weeks 41-46

Week 46: Sporadic
60% positive for influenza (all B)
The number of reported influenza cases for week 46 of the 2012-2013 season is slightly above historical trends.

ILI: 2.99% (Cole County 15.53%, Jackson 2.52%; Callaway did not report.)
NOTE: Jackson County is where one school district shut down this week because of flu. Last week, a closure was reported in Clinton County (not in surveillance network) Jefferson City (capital) is in Cole County. No outbreaks were included in official report
ED ILI continues to increase and is tracking slightly above previous years.

Season-to-date P&I deaths slightly below last year at this time.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php

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.
 
Re: Missouri 2012-13 Season: Weeks 41-47

Re: Missouri 2012-13 Season: Weeks 41-47

Week 47: Local

ILI: 2.55%; above Missouri baseline and tracking above previous two seasons for this period. (Cole County did not report and had the highest ILI last week. Other counties presenting higher ILIs: Callaway 11%, McDonald 3.05%, Saline 2.78% and Jackson 2.74%)

40% positive for influenza: all B
2 closures were reported
Hospitalizations for ILI/pneumonia affecting all age groups.
The number of reported influenza cases for week 47 of the 2012-2013 season is slightly above historical trends.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
Season to date rate per 100,000: http://health.mo.gov/living/healthcondiseases/communicable/influenza/m11060D.html

Widespread: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in at least half the regions of the state with recent laboratory evidence of influenza in the state.
http://www.cdc.gov/flu/weekly/overview.htm#Summary
 
Re: Missouri 2012-13 Season: Weeks 41-48

Re: Missouri 2012-13 Season: Weeks 41-48

Week 48: Local
ILI: 1.93% (Callaway 19.59%, Jackson 4.32% and Saline 3.74%) Cole County did not report.
The number of reported influenza cases for week 48 of the 2012-2013 season is above historical trends.
Hospitalizations in the 0-4 age group have increased to 2.05%.
60% positive for influenza; majority B
A total of 3 closures have been reported for the season.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-49 (ILI Doubles)

Re: Missouri 2012-13 Season: Weeks 41-49 (ILI Doubles)

Week 49: Regional
ILI: 3.63% (This is more than double MO ILI baseline); Callaway 14.67%, Cole 14.02%, Saline 5.7% and McDonald 5.5%

The number of reported influenza cases for week 49 of the 2012-2013 season is above historical trends.
Hospitalizations in the 65+ age group increased to 5.84% in week 49, and the 15-64 age group increased slightly to 2.17%. The other two age groups decreased in Week 49.
40% positive for influenza; majority A(H3)
Total for season: 1 outbreak; 5 closures
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php

Widespread: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in at least half the regions of the state with recent laboratory evidence of influenza in the state.
http://www.cdc.gov/flu/weekly/overview.htm#Summary
 
Re: Missouri 2012-13 Season: Weeks 41-50 (ILI Nearly 3X Baseline)

Re: Missouri 2012-13 Season: Weeks 41-50 (ILI Nearly 3X Baseline)

Week 50: Regional
ILI: 4.62% (This is nearly 3X MO ILI baseline); Callaway 8.04%, Cole 10.1%, Saline 5.17%, Putnam 5.36% and Moniteau 5.16%

The number of reported influenza cases for week 50 of the 2012-2013 season is above historical trends.
Hospitalizations in the 5-14 age group increased to 5.62% in week 50, and the 0-4 age group increased slightly to 2.20%. The other two age groups decreased in Week 50.
75% positive for influenza; majority B
P&I death total for season below last year's at this time.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-51

Re: Missouri 2012-13 Season: Weeks 41-51

Week 51: Regional
ILI: 4.08%; Callaway, Cole and Saline (extremely high ILI past weeks, did not report this week) Cape Girardeau 5.38%, Putnam 5.02% and Moniteau 6.41%
ED ILI continues to rise, yet still below threshold.

100% positive for influenza; majority B

The number of reported influenza cases for week 51 of the 2012-2013 season is above historical trends.
Hospitalizations in the 5-14 year age group has increased to 7.01%, the 65 and older age group has increased to 5.62%, the 0-4 year age group has increased to 3.02% and, the 15-64 year age group has increased to 1.95% in Week 51.

P&I deaths are below last years total for this same time.
No new outbreaks or closures reported.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-52 (ILI Drastically Decreases)

Re: Missouri 2012-13 Season: Weeks 41-52 (ILI Drastically Decreases)

Week 52: Regional
ILI: 1.78% (not reporting are all the counties whose ILI has been in the double digits) The decrease is most likely due to holiday closures of several sentinel sites.
ED ILI elevates to ~4% (near threshold). ESSENCE ILI Threshold refers to the mean plus 3 standard deviations of the values during previous influenza seasons (weeks 40-20, 2006-07, 2008-09 and 2010-2011) when influenza activity was low.

The 65 and older age group increased to 9.45%, the 0-4 year age group increased to 3.56%, and the 15-64 year age group increased to 3.02%. The 5-14 year age group decreased to 4.80%.

57% positive for influenza: all B
CDC has antigenically characterized nine isolates so far this influenza season from Missouri: All nine were B/WISCONSIN/01/2010-LIKE. The influenza B/WISCONSIN/01/2010-LIKE was included in the 2012-2013 influenza vaccine for the Northern Hemisphere.

P&I deaths below last years for this time period.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-1 (ILI Drastically Increases)

Re: Missouri 2012-13 Season: Weeks 41-1 (ILI Drastically Increases)

Week 1: Widespread
ILI: 5.6% (Callaway 14.5%, Cole 12.89%, Saline 10.32%)
75% positive for influenza; all A/H3 (NOTE: These are State lab results from four specimens. One would surmise that sentinel labs would know these had tested positive for A or AB...not B alone. The majority of rapid results are still suggesting B is the majority circulating in MO)

Hospitalizations: The 5-14 year age group increased to 6.40%, the 0-4 year age group increased to 4.69%, and the 15-64 year age group increased to 3.61%. The 65 and older age group decreased to 9.30%.

P&I deaths below last years for this time period.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-1 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-1 (ILI High; Deaths Low)

MO is another example where ILI has been quite high, yet P&I deaths have been below what they were this time last year (AZ and UT other examples):

Week 52: 63
Week 52 Last Season: 83
2012-2013 Season-to-Date: 937
2011-2012 Season-to-Date: 1,146
5 Year Weekly Median: 69
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-2 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-2 (ILI High; Deaths Low)

Week 2: Widespread
ILI: 5.73% (Callaway 16.57%, Cole 15.45%, Saline 10.62%)
80% positive for influenza; majority A/H3 (State Public Health Laboratory) Reported laboratory results still showing B as the majority

CDC has antigenically characterized ten isolates so far this influenza season from Missouri: Nine were B/WISCONSIN/01/2010-LIKE and one was A/Victoria/361/2011-LIKE (H3N2) GP. Both the influenza A (H3N2) component and the influenza B component are in the 2012-2013 influenza vaccine for the Northern Hemisphere.

2 new outbreaks; total 3
2 new school closures; total 7
Hospitalizations: The 0-4 year age group increased to 5.05%. The 5-14 year age group decreased to 4.89%, the 15-64 year age group decreased to 2.65%, and the 65 and older age group decreased to 7.44%.

P&I deaths below what they were last year at this time.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-3 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-3 (ILI High; Deaths Low)

Week 3: Widespread

ILI: 6.29% (Callaway: no report, Cole 14.45%)
84% positive for influenza; majority A/H3 (State Public Health Laboratory)

CDC has antigenically characterized ten isolates so far this influenza season from Missouri: Nine were B/WISCONSIN/01/2010-LIKE and one was A/Victoria/361/2011-LIKE (H3N2) GP. Both the influenza A (H3N2) component and the influenza B component are in the 2012-2013 influenza vaccine for the Northern Hemisphere.

No new outbreaks; total 3
3 new school closures; total 10
Hospitalizations: All ages showed a decrease. The 0-4 year age group decreased to 3.89%, the 5-14 year age group decreased to 1.76%, the 15-64 year age group decreased to 2.59%, and the 65 and older age group decreased to 6.94%.

P&I deaths still below last year at this time.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-4 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-4 (ILI High; Deaths Low)

Week 4: Widespread

ILI: 5.92% (Callaway: no report, Cole 15.62%, Saline 11.67%)
80% positive for influenza

No new outbreaks; total 3
1 new school closures; total 11
Hospitalizations: The 5-14 year age group increased to 4.09%. All other age groups decreased; 0-4 year decreased to 3.13%, 15-64 year decreased to 2.30%, and the 65 and older decreased to 6.53%.

P&I deaths have increased, yet remain below last year at this time.
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-5 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-5 (ILI High; Deaths Low)

Week 5: Widespread

ILI: 4.83% (Callaway 9.68%, Cole 14.6%, Saline: no report)
ED ILI: ~3%
64% positive for influenza; majority A/H3

No new outbreaks; total 3
2 new school closures; total 13
Hospitalizations: All ages showed an increase. The 0-4 year age group increased to 3.57%, the 5-14 year age group increased to 4.56%, the 15-64 year age group increased to 2.31%, and the 65 and older age group increased to 6.58%. .

P&I deaths remain below last year at this time. Current total: 1,379 vs 1,590 (same time period)
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-6 (ILI High; Deaths Low)

Re: Missouri 2012-13 Season: Weeks 41-6 (ILI High; Deaths Low)

Week 6: Widespread

ILI: 5.21% (Callaway: no report)
ED ILI: ~2.8%
75% positive for influenza

No new outbreaks; total 3
1 new school closures; total 14
Hospitalizations: The 0-4 year age group increased to 4.20%. All other age groups decreased; 5-14 year decreased to 3.33%, 15-64 year decreased to 2.14%, and the 65 and older decreased to 5.95%.

P&I deaths remain below last year at this time. Current total: 1,520 vs 1,695 (same time period)
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
Re: Missouri 2012-13 Season: Weeks 41-7 (Regional)

Re: Missouri 2012-13 Season: Weeks 41-7 (Regional)

Week 7: Regional

ILI: 3.51% (Callaway: no report)
ED ILI: nearing baseline
100% positive for influenza: A/H1N1 and B

No new outbreaks; total 3
No new school closures; total 14
Hospitalizations: The 5-14 year age group increased to 4.20% and the 65 and older increased to 4.20%. The 0-4 year age group decreased to 3.04% and the 15-64 year decreased to 1.81%.

P&I deaths remain below last year at this time. Current total: 1,631 vs 1,802 (same time period last yr)
http://health.mo.gov/living/healthcondiseases/communicable/influenza/reports.php
 
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