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Missouri 2009-2010 Flu Season

Missouriwatcher

Editor, Senior Moderator
"Missouri is reporting ?Widespread? to the CDC for Week 42

Deaths involving Pneumonia and Influenza (P&I) Reported During the Week Ending October 17, 2009 (Week 41) = 62

Twenty-one school closings have been reported for week 42 of the current season; no school closures were reported for the same period last season."

http://www.dhss.mo.gov/Influenza/Week420910.pdf
 
Missouri is reporting ?Widespread? to the CDC for Week 43

Missouri is reporting ?Widespread? to the CDC for Week 43

"Eleven school closings have been reported for week 43 of the
current season; no school closures were reported for the same period last season."

Jackson Co AND Kansas City did NOT report (This is the area I am in, and from what I understand, hospital ER's are packed) Several other areas, including St. Louis, did not report. Consequently, the percentages went down, when I believe they may have gone up.
http://www.dhss.mo.gov/Influenza/Week430910.pdf
 
Missouri Week 44

Missouri Week 44

"All Eighteen, or 100%, were 2009 H1N1 Influenza. For the week ending November 7, 2009 (week 44), Missouri reported widespread influenza activity."

73 P&I deaths (week 43) vs 80 last year week 43 (5-yr avg 80)

"The number of reported influenza cases for week 44 of the 2009-2010 season are significantly higher than the previous
4 influenza seasons. However, a downward trend has been observed for two consecutive weeks.

Nine school closings have been reported for week 44 of the
current season; no school closures were reported for the same period last season.

The proportion of ILI patients seen in Boone, Callaway, Cole, Howell, Pettis, Phelps, and Saline counties is
significantly higher than the state proportion of 8.35%. The cause is unknown at this time."
http://www.dhss.mo.gov/Influenza/Week440910.pdf
 
Missouri is reporting ?Widespread? to the CDC for Week 45

Missouri is reporting ?Widespread? to the CDC for Week 45

"62%, were positive for Influenza A. All eight, or 100%, were 2009 H1N1 Influenza.

The number of reported influenza cases for week 45 of the 2009-2010 season continue to be higher than the previous 4
influenza seasons. However, a downward trend has been observed for three consecutive weeks.

Three school closings have been reported for week 45...

The proportion of patient visits for influenza-like illness was 5.68% for the week ending November 14, 2009
(week 45), as reported by ILINet in Missouri. This is above Missouri?s baseline of 2.47%."
http://www.dhss.mo.gov/Influenza/Week450910.pdf
 
Missouri is reporting ?Regional? -- Week 46

Missouri is reporting ?Regional? -- Week 46

"A total of 6 specimens were received by the State Public Health Laboratory for viral testing during week 46. Three of the six, or 50%, were positive for Influenza A. All three, or 100%, were 2009 H1N1 Influenza."

Week 45: 69 P&I deaths (last year 53)

"No school closings have been reported for week 46 of the
current season"
http://www.dhss.mo.gov/Influenza/Week460910.pdf
 
Missouri Reporting ?Regional"--Week 47

Missouri Reporting ?Regional"--Week 47

P&I death (week 46): 81 (last season, 55)

"The number of reported influenza cases for week 47 of the 2009-2010 season is almost at historic levels. However, a downward trend has been observed for five consecutive weeks...ILI in the state rate has decreased from a high of 12.04% in week 42, to 4.37% for week 47."

Reporting by the Missouri Outpatient ILI Surveillance Network (ILINet) shows ILI moving up again in week 47.
http://www.dhss.mo.gov/Influenza/Week470910.pdf
 
Re: Missouri Reporting ?Regional?--Week 49

Re: Missouri Reporting ?Regional?--Week 49

"Missouri is reporting ?Regional? to the CDC for Week 49"
P&I deaths (week 48): 45 (last season-38)

"The proportion of ILI patients seen in Howell, Jackson, and Phelps counties is higher than the state rate of 2.71%. However, the state rate has decreased from a high of 12.04% in week 42, to 2.71% for week 49."

http://www.dhss.mo.gov/Influenza/Week490910.pdf
 
Re: Missouri Reporting ?Regional?--Week 50

Re: Missouri Reporting ?Regional?--Week 50

Week 50
"The proportion of ILI patients seen in Cole and Jackson counties is higher than the state rate of 2.03%. However,the state rate has decreased from a high of 12.04% in week 42, to 2.03% for week 50...

The proportion of patient visits for influenza-like illness was 2.03% for the week ending December 19, 2009(week 50), as reported by ILINet in Missouri. This is below Missouri?s baseline of 2.47%. Missouri?s usual flu season is January through March therefore; persons should still consider receiving the 2009 H1N1 and seasonal influenza flu vaccine(s)."
http://www.dhss.mo.gov/Influenza/Week500910.pdf
 
Re: Missouri Reporting ?Sporatic?--Week 51

Re: Missouri Reporting ?Sporatic?--Week 51

Week 51: Sporadic Activity

The state rate of 6.58% in week 51 has increased from the previous week?s rate of 2.03% in week 50, but has decreased from the season high of 12.04% in week 42...

The proportion of patient visits for influenza-like illness was 6.58% for the week ending December 26, 2009(week 51), as reported by ILINet in Missouri. This is above Missouri?s baseline of 2.47%. Missouri?s influenza season is usually January through March, therefore, persons should still consider receiving the 2009 H1N1 and seasonal influenza vaccine(s).
http://www.dhss.mo.gov/Influenza/Week510910.pdf
 
Re: Missouri Reporting ?Sporadic?--Week 52

Re: Missouri Reporting ?Sporadic?--Week 52

Week 52: Sporadic Activity

"The proportion of patient visits for influenza-like illness was 2.48% for the week ending January 2, 2010 (week52), as reported by ILINet in Missouri. This is slightly above Missouri?s baseline of 2.47%. Missouri?s influenza season
is usually January through March, therefore, persons should still consider receiving the 2009 H1N1 and seasonal influenza vaccine(s).

For two consecutive weeks (weeks 51 & 52) the 65 and older age group has demonstrated an upward trend in the percent (8.1%) of patients hospitalized for influenza and/or pneumonia syndromes. This is above the 5-14 age group percentage of 5.8%."
http://www.dhss.mo.gov/Influenza/Week520910.pdf
 
Re: Missouri Reporting ?Sporadic?--Week 1

Re: Missouri Reporting ?Sporadic?--Week 1

Week 1:

Sporadic
P&I deaths Week 52: 69 (Over 2X last year's)
P&I deaths Season-to-Date: 904 (last year at this time 844)
P&I deaths Week 52 Last Season: 33 (5 Year Weekly Median: 53)

The ILI state rate of 2.49% in week 1 has increased slightly from the previous rate of 2.48% in week 52. However, it is lower than the season?s high rate of 12.04% in week 42.
http://www.dhss.mo.gov/Influenza/Week10910.pdf
 
Re: Missouri Reporting ?Sporadic?--Week 3

Re: Missouri Reporting ?Sporadic?--Week 3

Week 3: Sporadic

P&I deaths Week 2: 100
P&I deaths Season-to-Date: 1,065 (last year at this time 987)
P&I deaths Week 2 Last Season: 73

A total of 6 specimens were received by the State Public Health Laboratory for viral testing during week 3. None were PCR positive for Influenza.

The state ILI rate of 1.51% in week 3 has slightly increased from the previous rate of 1.17% in week 2. This is below Missouri?s baseline of 2.47%.
http://www.dhss.mo.gov/Influenza/Week30910.pdf
 
Re: Missouri Reporting ?Sporadic?--Week 4

Re: Missouri Reporting ?Sporadic?--Week 4

Week 4: sporadic

ILI: The state rate of 1.74% in week 4 has slightly increased from the previous rate of 1.51% in week 3. (This is below Missouri?s baseline of 2.47%.)

The number of reported influenza cases for week 4 of the 2009-2010 season is at historic levels.

P&I deaths(week 3):47 Total for season: 1,112 Last year week 3: 61

Hospitalizations: The 65 and older age group has decreased to 5.4% in Week 4, after an upward trend for weeks 51 and 52. This is below the 5-14 age group of 6.5% and above the 0-4 age group of 4.0%.
http://www.dhss.mo.gov/Influenza/Week40910.pdf
 
Re: Missouri--Week 5

Re: Missouri--Week 5

Week 5: sporadic

ILI: The state rate of 2.33% in week 5 has increased from the previous rate of 1.74% in week 4.

Percent positive specimens: increased from 0% to 20%

The number of reported influenza cases for week 5 of the 2009-2010 season is below historic levels.

The weekly percent for emergency dept visits in week 5 is 2.3%, a slight increase from 2.0% the previous week, and below the ESSENCE ILI threshold of 4.4%.

Percentage of Patients Hospitalized for Influenza and/or Pneumonia Syndromes: Highest group are ages 5-14 (8.1%) Increasing
http://www.dhss.mo.gov/Influenza/Week50910.pdf
 
Re: Missouri--Week 6

Re: Missouri--Week 6

Week 6: sporadic

Percent positive specimens: 32% (increasing)
ILI: 1.95% decreasing, although Howell County shows 15.4%, one of the counties testing positive for H1N1
ESSENCE reporting hospital ILI increasing
P&I: near average in totals for season from last year
CDC has antigenically characterized two isolates so far this season from Missouri: B/OHIO/01/2005-LIKE
LOW virus.
http://www.dhss.mo.gov/Influenza/Week60910.pdf
 
Re: Missouri--Week 9

Re: Missouri--Week 9

Missouri Weeek 9:

Percent positive: 50% (increasing)
ILI: 3.92%. This is the second consecutive week the rate has been above Missouri?s baseline of 2.47%

Number of cases increasing.
Hospitalizations: The 65 and older age group is at 6.6% in Week 9. This is above both the 5-14 age group of 3.2% and the 0-4 age group of 3.9%.

P&I: Again, not available at this time. A new system was implemented February 2010.
No school closings reported.
http://www.dhss.mo.gov/Influenza/Week90910.pdf
 
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