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Minnesota 2009-2010 Flu Season

JimO

JimO

Well-known member
Source: http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

During week 44 influenza activity in Minnesota decreased slightly but remains elevated.

  • Forty (40) schools reported outbreaks of influenza-like illness during week 44. One hundred thirty-seven (137) schools reported outbreaks in week 43.
  • No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
  • Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network decreased this week.
  • Since September 1st, 2009, there have been 1,261 confirmed novel H1N1 influenza hospitalizations and 1,521 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
  • Six (6) influenza A H1N1-associated deaths and one (1) influenza-type unspecified death were confirmed in week 44. Twenty-one (21) influenza A H1N1-associated deaths and two (2) influenza-type unspecified deaths have been reported since the virus was first identified in Minnesota.
  • The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
 
Last edited by a moderator:
Re: Minnesota Reports 5 Influenza Deaths in Week 45

Re: Minnesota Reports 5 Influenza Deaths in Week 45

Source: http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

During week 45 influenza activity in Minnesota decreased somewhat but remains elevated.

  • Nine (9) schools reported outbreaks of influenza-like illness during week 45. Forty (40) schools reported outbreaks in week 44.
  • Two (2) outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
  • Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network increased this week.
  • Since September 1st, 2009, there have been 1,439 confirmed novel H1N1 influenza hospitalizations and 1,699 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
  • Five (5) influenza A H1N1-associated deaths were confirmed in week 45. Twenty-six (26) influenza A H1N1-associated deaths and two (2) influenza-type unspecified deaths have been reported since the virus was first identified in Minnesota.
  • The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
 
Re: Minnesota Reports 5 Influenza Deaths in Week 45

Re: Minnesota Reports 5 Influenza Deaths in Week 45

The number of H1N1 flu cases in Minnesota has dropped substantially for the third week in a row, the Minnesota Department of Health reported late this morning.

The number of hospitalizations dropped from 134 to 78 for the week ending Nov. 14, bringing the total to 1,700 since the virus first appeared last spring.

Last week only nine schools reported outbreaks of influenza-like illness, compared to 40 in the previous week and more than 200 per week earlier in the fall. An outbreak means that at least 5 percent of the student body is absent, or at least three children in one classroom.

There were five deaths last week tied to the H1N1 virus, compared to six the week before. That brings the total of Minnesota deaths from H1N1 to twenty-six, plus two that are considered likely to be related to the virus.

Two outbreaks due to influenza were reported in long-term care facilities.

The only number that rose last week was the rate of patients reporting influenza-like illness at medical clinics. The 25 outpatient clinics that function as "sentinel" clinics for the Health Department said flu patients increased from from 1.3 percent to 3.75 percent of all patient visits.
http://www.startribune.com/lifestyl...rksLckD8EQDUoaEyqyP4O:DW3ckUiD3aPc:_Yyc:aUUsZ
 
Re: Minnesota Reports 10 Influenza Deaths in Week 47

Re: Minnesota Reports 10 Influenza Deaths in Week 47

Source: http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

During week 47 influenza activity in Minnesota decreased.

  • No schools reported outbreaks of influenza-like illness during week 47. Ten (10) schools reported outbreaks in week 46.
  • No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
  • Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network decreased this week.
  • Since September 1st, 2009, there have been 1534 confirmed novel H1N1 influenza hospitalizations which is 1794 total novel H1N1 hospitalizations.
  • Since last Wednesday, November 25, seven (7) influenza A H1N1-associated deaths, two (2) influenza A-type unspecified deaths, and one (1) influenza B-associated death were confirmed. Thirty-nine (39) influenza A H1N1-associated deaths, five (5) influenza-type unspecified deaths, and one (1) influenza B-associated death for a total of forty-five (45) reported since since May 2009.
  • The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
 
Re: Minnesota Reports 5 Influenza Deaths in Week 48

Re: Minnesota Reports 5 Influenza Deaths in Week 48

Week 48:
"During week 48 influenza activity in Minnesota decreased.

Since last Wednesday, December 2, five (5) influenza A H1N1-associated deaths were confirmed. Forty-four (44) influenza A H1N1-associated deaths, five (5) influenza-type unspecified deaths, and one (1) influenza B-associated death for a total of fifty (50) have been reported since May, 2009."
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats48.pdf
 
Re: Minnesota Reports 1 Influenza Death in Week 50

Re: Minnesota Reports 1 Influenza Death in Week 50

Source: http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

During week 50 influenza activity in Minnesota decreased.

  • No schools reported outbreaks of influenza-like illness during week 50. Two (2) school reported an outbreak in week 49.
  • No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
  • Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network decreased this week.
  • Since September 1st, 2009, there have been 1,568 confirmed novel H1N1 influenza hospitalizations and 1,828 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
  • Since last Wednesday, December 16, one (1) influenza A H1N1-associated death was confirmed. Fifty (51) influenza A H1N1-associated deaths, five (5) influenza-type unspecified deaths, and one (1) influenza B-associated death for a total of fifty-seven (57) have been reported since May, 2009.
  • The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
 
Re: Minnesota Reports 1 Influenza Death in Week 51

Re: Minnesota Reports 1 Influenza Death in Week 51

December 20th - December 26th (51st week of 2009)

The 2009-10 influenza season officially began October 4, 2009. Data reported here start before the official season began and therefore have not been reported in past years.

All data are preliminary and may change as more reports are received.

During week 51 influenza activity in Minnesota decreased.

* No schools reported outbreaks of influenza-like illness during week 51. No schools reported outbreaks in week 50.
* No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
* Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network decreased this week.
* Since September 1st, 2009, there have been 1,573 confirmed novel H1N1 influenza hospitalizations and 1,834 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
* Since last Wednesday, December 23, one (1) influenza A H1N1-associated death was confirmed. Fifty-two (52) influenza A H1N1-associated deaths, five (5) influenza-type unspecified deaths, and one (1) influenza B-associated death for a total of fifty-eight (58) have been reported since May, 2009.
* The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html
 
Re: Minnesota Reports 2 Influenza Deaths in Week 52 (60 total)

Re: Minnesota Reports 2 Influenza Deaths in Week 52 (60 total)

December 27th - January 2nd (52nd week of 2009)
During week 52 influenza activity in Minnesota remained low.

* No schools reported outbreaks of influenza-like illness during week 52. No schools reported outbreaks in week 51.
* No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
* Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network increased this week.
* Since September 1st, 2009, there have been 1,578 confirmed novel H1N1 influenza hospitalizations and 1,838 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
* Since last Wednesday, December 30, two (2) influenza A H1N1-associated deaths were confirmed. Fifty-four (54) influenza A H1N1-associated deaths, five (5) influenza-type unspecified deaths, and one (1) influenza B-associated death for a total of sixty (60) have been reported since May, 2009.
* The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

2.59% of patients presented with ILI at sentinel sites in Minnesota during week 52 (9 sites reporting)
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/drs.html
 
Re: Minnesota Reports 2 Influenza Deaths in Week 1 (62 total)

Re: Minnesota Reports 2 Influenza Deaths in Week 1 (62 total)

Source: http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

During week 1 influenza activity in Minnesota remained low.

  • One school reported an outbreak of influenza-like illness during week 1. No schools reported outbreaks in week 52.
  • No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
  • Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network decreased this week.
  • Since September 1st, 2009, there have been 1,553 confirmed novel H1N1 influenza hospitalizations. The total number of novel H1N1 hospitalizations since April 2009 is 1,813.
  • Since last Wednesday, January 6, one (1) influenza A H1N1-associated death and one (1) influenza syndrome ? no influenza testing done - deaths were confirmed. Fifty-five (55) influenza A H1N1-associated deaths, three (3) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (1) influenza B-associated death for a total of sixty-two (62) have been reported since May 2009.
  • The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
 
Re: Minnesota--Week 3 No new deaths (62 total)

Re: Minnesota--Week 3 No new deaths (62 total)

Week 3:

During week 3 influenza activity in Minnesota remained low.

* No schools reported outbreaks of influenza-like illness during week 3. No schools reported outbreaks in week 2.
* No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
* Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
* Since September 1st, 2009, there have been 1,554 confirmed novel H1N1 influenza hospitalizations. The total number of novel H1N1 hospitalizations since April 2009 is 1,814.
* Since last Wednesday, January 20, no influenza associated deaths were confirmed. Fifty-five (55) influenza A H1N1-associated deaths, three (3) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (1) influenza B-associated death for a total of sixty-two (62) have been reported since May 2009.
* The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

ILI: 0.36%
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/drs.html
 
Re: Minnesota--Week 5 No new deaths (62 total)

Re: Minnesota--Week 5 No new deaths (62 total)

Week 5: low

No new deaths (total 62 which includes one death from Influenza B)

Two (2) schools reported outbreaks of influenza-like illness during week 5.

Rapid tests indicated percent positive of both Influenza A and RSV were rising; viral cultures show only Influenza A to be rising and RSV decreasing.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/weekly.html
 
Re: Minnesota--Week 6 No new deaths (62 total)

Re: Minnesota--Week 6 No new deaths (62 total)

Week 6: sporadic

No new deaths

During week 6 influenza activity in Minnesota remained low.
? One (1) school reported an outbreak of influenza-like illness during week 6.
? No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
? Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.

RSV within range of previous years
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats6.pdf
 
Re: Minnesota--Week 7 No new deaths (62 total)

Re: Minnesota--Week 7 No new deaths (62 total)

Week 7: Sporadic

During week 7 influenza activity in Minnesota remained low.
? One (1) school reported an outbreak of influenza-like illness during week 7.
? No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
? Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
? The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats7.pdf
 
Re: Minnesota--Week 8 Reports 3 new deaths (65 total)

Re: Minnesota--Week 8 Reports 3 new deaths (65 total)

Week 8: Sporadic

3 New deaths; total 65
Percent positive appears to be at or near zero

During week 8 influenza activity in Minnesota remained low.
? One (1) school reported an outbreak of influenza-like illness during week 8.
? No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
? Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
? Since last Wednesday, February 17, three (3) new H1N1-associated influenza deaths were confirmed. These deaths are from October and November but were only recently confirmed due to a lengthy investigation.
? Fifty-eight (58) influenza A H1N1-associated deaths, three (3) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (1) influenza B-associated death for a total of sixty-five (65) have been reported since May 2009
? The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats8.pdf
 
Re: Minnesota--Week 10--No new deaths (65 total)

Re: Minnesota--Week 10--No new deaths (65 total)

Week 10: sporadic

During week 10 influenza activity in Minnesota remained low.
• One (1) school reported an outbreak of influenza-like illness during week 10.
• No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
• ILI: 0.04% (decreasing)
• Since September 1st, 2009, there have been 1550 confirmed novel H1N1 influenza hospitalizations. The total number of novel H1N1 hospitalizations since April 2009 is 1810.
• Since last Wednesday March 10, no influenza associated deaths were confirmed.
• Fifty-eight (58) influenza A H1N1-associated deaths, three (3) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (1) influenza B-associated death for a total of sixty-five (65) have been reported since May 2009.
• The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.

http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats10.pdf
 
Re: Minnesota- Week 11- 2 new deaths (67 total)

Re: Minnesota- Week 11- 2 new deaths (67 total)

Week 11: sporadic

2 new deaths; total 67

During week 11 influenza activity in Minnesota remained low.
• No schools reported an outbreak of influenza-like illness during week 11.
• No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
• Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
• Since September 1st, 2009, there have been 1550 confirmed novel H1N1 influenza hospitalizations. The total number of novel H1N1 hospitalizations since April 2009 is 1810.
• Since last Wednesday, March 17th, 2 additional influenza A H1N1-associated deaths were confirmed. One of these deaths occurred in November 2009; the other in March 2010.
• Sixty (60) influenza A H1N1-associated deaths, three (3) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (1) influenza B-associated death for a total of sixty-seven (67) have been reported since May 2009.
• The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.


Percent Positive Influenza and RSV about 5%
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats11.pdf
 
Re: Minnesota- Week 12- 1 new death (68 total)

Re: Minnesota- Week 12- 1 new death (68 total)

Week 12: sporadic

One new death; 68 total

During week 12 influenza activity in Minnesota remained low.
? Two (2) schools reported outbreaks of influenza-like illness this week.
? No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
? Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
? Since September 1st, 2009, there have been 1,560 confirmed novel H1N1 influenza hospitalizations and 1,820 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.

Positive Cultures: Parainfluenza 1 & 3, Adenovirus, RSV
No H1N1
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats12.pdf

CDC definitions:
Sporadic: Small numbers of laboratory-confirmed influenza cases or a single laboratory-confirmed influenza outbreak, but there is no increase in cases of ILI.
Local: Outbreaks of influenza or increases in ILI cases and recent laboratory-confirmed influenza in a single region of the state.
 
Re: Minnesota- Week 12- 1 new death (68 total)

Re: Minnesota- Week 12- 1 new death (68 total)

Weekly Influenza Activity: Statistics
updated 4/7/2010
Note: The data on the following pages is a ?for print? version of the weekly influenza statistics available on the web at: www.health.state.mn.us/divs/idepc/diseases/flu/stats/index.html

March 28th - April 3rd (13th week of 2010)
The 2009-10 influenza season officially began October 4, 2009. Data reported here start before the official season began and therefore have not been reported in past years.
All data are preliminary and may change as more reports are received.
During week 13 influenza activity in Minnesota remained low.
? No schools reported outbreaks of influenza-like illness this week.
? No outbreaks due to influenza were reported from long-term care facilities (defined as skilled nursing facilities) this week.
? Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low this week.
? Since September 1st, 2009, there have been 1,560 confirmed novel H1N1 influenza hospitalizations and 1,820 total novel H1N1 hospitalizations since the virus was first identified in Minnesota.
? Since last Wednesday, March 31st, two (2) additional influenza-type unspecified death was confirmed. One death occurred in December 2009 was influenza A H1N1-associated. The second death occurred in March 2010 and was influenza B-associated.*? Sixty (61) influenza A H1N1-associated deaths, four (4) influenza-type unspecified deaths, three (3) influenza syndrome-no influenza testing done deaths, and one (2) influenza B-associated death for a total of seventy (70) reported since May 2009.
? The most common strain of influenza characterized at the MDH PHL has been 2009 influenza A H1N1.
* During the 2009 H1N1 pandemic, MDH has been making an unprecedented and highly intensive effort to identify and characterize possible deaths from influenza. In many cases, this activity has involved efforts to resolve ambiguous cases and make use of non-routine channels for reporting of potential influenza deaths. As a result, there has been a substantial time interval, in some cases, between the time of death and the time when the death is officially reported.
http://www.health.state.mn.us/divs/idepc/diseases/flu/stats/flustats13.pdf
 
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