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Colorado 2011-2012 Flu Season: Weeks 40-21 (Final Report)

Re: Colorado 2011-2012 Flu Season: Weeks 40-9 (Widespread)

Re: Colorado 2011-2012 Flu Season: Weeks 40-9 (Widespread)

Week 9: Widespread
For the week ending March 3rd, influenza activity remained about the same as the previous week. Influenza activity was present in most parts of the state, but at relatively modest levels.
• There were 42 additional hospitalizations reported, 14 from the previous week (week ending 2/25/12) and 28 from the most recent week. The cumulative total of hospitalizations is 245 from 32 counties. Due to reporting delays, it is expected that the number of influenza-associated hospitalizations for the week ending 3/03 will increase as cases diagnosed between 2/26– 3/03 are subsequently reported.
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 1.5%. Influenza-like illness reported by Mesa County increased from 0.7% to 0.8%. http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (14/18 reporting) tested 839 specimens and provisionally 10.1% were positive (compared to 15.5% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• For the most recent week, 21 additional specimens (out of 27 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 446 (95.7%) of 466 PCR positive specimens have subtyped as H3, 18 (3.9%) as 2009 H1N1, and 2 (0.4%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• One additional outbreak was reported during the previous week (week ending 2/25/12). No additional outbreaks were reported during the most recent week.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 3/7/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-10 (Widespread)

Re: Colorado 2011-2012 Flu Season: Weeks 40-10 (Widespread)

Week 10: Widespread
For the week ending March 10th, influenza activity overall remained fairly similar to the previous week, but with focally increased activity in the northeast part of the state.
• There were 31 additional hospitalizations reported, 17 from the previous week (week ending 3/03/12) and 14 from the most recent week. The cumulative total of hospitalizations is 280 from 35 counties. Due to reporting delays, it is expected that the number of influenza-associated hospitalizations for the week ending 3/10 will increase as cases diagnosed between 3/04– 3/10 are subsequently reported.
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 1.5%. Influenza-like illness reported by Mesa County was 0.7% (compared to 0.8% the last week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (15/18 reporting) tested 963 specimens and provisionally 13.1% were positive (compared to 11.2% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• For the most recent week, 15 additional specimens (out of 19 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 463 (95.5%) of 485 PCR positive specimens have subtyped as H3, 20 (4.1%) as 2009 H1N1, and 2 (0.4%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• Four additional outbreaks were reported (one each from Logan, Mesa, Phillips and Pueblo Counties).
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 3/14/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-11 (Widespread)

Re: Colorado 2011-2012 Flu Season: Weeks 40-11 (Widespread)

Week 11: Widespread
For the week ending March 17th, influenza activity increased somewhat compared to the previous week, but influenza-like illness remained relatively low.
• There were 63 additional hospitalizations reported. Of these, 37 were from the most recent week. The cumulative total of hospitalizations is 343 from 36 counties.
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 1.5%. Influenza-like illness reported by Mesa County increased to 1.0% (compared to 0.7% the last week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (18/18 reporting) tested 967 specimens and 14.1% were positive (compared to 12.8% the previous week). Of these, only 4% were positive for influenza B.
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• For the most recent week, 27 additional specimens (out of 30 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 489 (94.9%) of 515 PCR positive specimens have subtyped as H3, 24 (4.7%) as 2009 H1N1, and 2 (0.4%) have confirmed as typeB.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• Two additional outbreaks were reported (one each from La Plata and Fremont Counties).
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 3/21/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
To view the weekly CDC flu (surveillance) Report, go to:
http://www.cdc.gov/flu/about/season/flu-season-2011-2012.htm
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-12

Re: Colorado 2011-2012 Flu Season: Weeks 40-12

Week 12:
For the week ending March 24th, influenza activity remained elevated, but influenza-like -illness continued to be relatively low.
• There were 52 additional hospitalizations reported. Of these, 34 were from the most recent week. The cumulative total of hospitalizations is 395 from 37 counties.
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area was 1.3% (compared to 1.5% the previous week). Influenza-like illness reported by Mesa County was 0.8% (compared to 1.0% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (15/18 reporting) tested 592 specimens and provisionally 10.6% were positive (compared to 14.1% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• For the most recent week, 14 additional specimens (out of 14 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 502 (94.5%) of 531 PCR positive specimens have subtyped as H3, 27 (5.1%) as 2009 H1N1, and 2 (0.4%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• One additional outbreak was reported from a LTCF in Otero County.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 3/27/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-13

Re: Colorado 2011-2012 Flu Season: Weeks 40-13

Week 13:
For the week ending March 31st, influenza activity remained elevated, but it appears that influenza-activity peaked during the first half of March.
• There were 41 additional hospitalizations reported. Of these, 24 were from the most recent
week. The cumulative total of hospitalizations is 436 from 40 counties.
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area
fell below 1.0% for the first time in 10 weeks. Influenza-like illness reported by Mesa County
decreased to 0.4% (compared to 0.8% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (16/18 reporting) tested 628 specimens and provisionally 10.4% were
positive (compared to 10.9% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• For the most recent week, 20 additional specimens (out of 21 submitted) tested positive for
influenza by PCR at the state laboratory. Cumulatively, 521 (94%) of 554 PCR positive
specimens have subtyped as H3, 31 (5.6%) as 2009 H1N1, and 2 (0.4%) have confirmed as
type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• No additional outbreaks were reported.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 4/5/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-14

Re: Colorado 2011-2012 Flu Season: Weeks 40-14

Week 14:
Synopsis: For the week ending April 7th, influenza activity remained elevated in much of the state, but is decreasing.
? There were 27 additional hospitalizations reported. Of these, 14 were from the most recent week. The cumulative total of hospitalizations is 463 from 41 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 1.0%. Influenza-like illness reported by Mesa County decreased to 0.2% (compared to 0.3% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (15/18 reporting) tested 436 specimens and provisionally 9.6% were positive (compared to 10.0% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? For the most recent week, 4 additional specimens (out of 7 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 529 (94%) of 562 PCR positive specimens have subtyped as H3, 31 (5.6%) as 2009 H1N1, and 2 (0.4%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? No additional outbreaks were reported.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 4/11/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-15

Re: Colorado 2011-2012 Flu Season: Weeks 40-15

Week 15:
For the week ending April 14th, influenza activity remained elevated in some areas of the state, but is decreasing.
? There were 25 additional hospitalizations reported. Of these, 15 were from the most recent week. The cumulative total of hospitalizations is 488 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area decreased to 0.8% (compared to 1.0% the previous week). Influenza-like illness reported by Mesa County increased to 0.5% (compared to 0.2% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (16/18 reporting) tested 548 specimens and provisionally 7.7% were positive (compared to 9.7% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? For the most recent week, 7 additional specimens (out of 8 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 544 (94.3%) of 577 PCR positive specimens have subtyped as H3, 31 (5.4%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? No additional outbreaks were reported.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 4/18/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-16

Re: Colorado 2011-2012 Flu Season: Weeks 40-16

Week 16:
For the week ending April 21st, influenza activity continued to decrease.
? There were 18 additional hospitalizations reported. Of these, 9 were from the most recent week. The cumulative total of hospitalizations is 506 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area was 0.7% (compared to 0.8% the previous week). Influenza-like illness reported by Mesa County decreased to 0.1% (compared to 0.5% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (17/18 reporting) tested 353 specimens and provisionally 4.8% were positive (compared to 8.0% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? For the most recent week, 5 additional specimens (out of 7 submitted) tested positive for influenza by PCR at the state laboratory. Cumulatively, 551 (94.2%) of 585 PCR positive specimens have subtyped as H3, 32 (5.5%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? Two additional outbreaks were reported with onset dates during previous weeks.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 4/26/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-17

Re: Colorado 2011-2012 Flu Season: Weeks 40-17

Week 17:
For the week ending April 28th, influenza activity continued to decrease.
• There were 9 additional hospitalizations reported. Of these, 5 were from the most recent week. The cumulative total of hospitalizations is 515 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
• Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 0.7%. Influenza-like illness reported by Mesa County was 0.2% (compared to 0.1% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
• Sentinel hospital labs (16/18 reporting) tested 229 specimens and provisionally 3.5% were positive (compared to 4.7% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
• There were no additional specimens submitted to the state laboratory during the most recent week. Cumulatively, 552 (94.2%) of 586 PCR positive specimens have subtyped as H3, 32 (5.5%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
• One additional outbreak was reported with an onset date during the previous week.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 5/3/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-18

Re: Colorado 2011-2012 Flu Season: Weeks 40-18

For the week ending May 5th, influenza activity remained low.
? There were 8 additional hospitalizations reported. Of these, 4 were from the most recent week. The cumulative total of hospitalizations is 523 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area remained at 0.7%. Influenza-like illness reported by Mesa County remained at 0.1%.
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (16/18 reporting) tested 233 specimens and provisionally 6.9% were positive (compared to 3.3% the previous week). Of these, 8 (50%) were positive for influenza B.
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? There were 9 additional specimens submitted to the state laboratory during the last two weeks. Cumulatively, 559 (94%) of 594 PCR positive specimens have subtyped as H3, 33 (5.6%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? No additional outbreaks were reported during the previous.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 5/9/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-19

Re: Colorado 2011-2012 Flu Season: Weeks 40-19

Week 19:
For the week ending May 12th, influenza activity remained very low.
? There were 9 additional hospitalizations reported. Of these, 2 were from the most recent week. The cumulative total of hospitalizations is 532 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area was 0.6%. Influenza-like illness reported by Mesa County was 0%.
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (18/18 reporting) tested 231 specimens and 3.5% were positive (compared to 6.4% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? There were two additional specimens submitted to the state laboratory during the last two weeks. Cumulatively, 560 (94%) of 595 PCR positive specimens have subtyped as H3, 33 (5.5%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? No additional outbreaks were reported during the previous week.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 5/16/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-20

Re: Colorado 2011-2012 Flu Season: Weeks 40-20

Week 20:
For the week ending May 19th, influenza activity remained very low.
? There were 5 additional hospitalizations reported. Of these, only one was from the most recent week. The cumulative total of hospitalizations is 535 from 42 counties. **
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area was 0.7%. Influenza-like illness reported by Mesa County was 0.1%.
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (17/18 reporting) tested 111 specimens and provisionally 0.9% were positive (compared to 3.5% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? There were no additional specimens submitted to the state laboratory during the last two weeks. Cumulatively, 560 (94%) of 595 PCR positive specimens have subtyped as H3, 33 (5.5%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? No additional outbreaks were reported during the previous week.
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 5/24/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
 
Re: Colorado 2011-2012 Flu Season: Weeks 40-21 (Final Report)

Week 21: For the week ending May 26th, influenza activity was minimal.
? A cumulative total of 543 hospitalizations from 42 counties have been reported. ** (Final Report)
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospital_by_county.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12Hospitalized_ by_age.pdf
? Influenza-Like Illness reported by Kaiser Permanente for the Denver-Boulder metropolitan area decreased to 0.4% (compared to 0.7% the previous week). Influenza-like illness reported by Mesa County was 0.0% (compared to 0.1% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12KP_ILI.pdf
http://www.cdphe.state.co.us/dc/Influenza/11_12MESA_ILI.pdf
? Sentinel hospital labs (16/18 reporting) tested 152 specimens and provisionally 3.3% were positive (compared to 0.9% the previous week).
http://www.cdphe.state.co.us/dc/Influenza/11_12Sentinel_Labs.pdf
? There were two additional specimens submitted to the state laboratory during the last two weeks. Cumulatively, 560 (94%) of 596 PCR positive specimens have subtyped as H3, 34 (5.5%) as 2009 H1N1, and 2 (0.3%) have confirmed as type B.
http://www.cdphe.state.co.us/dc/Influenza/11_12PCR_results.pdf
? A cumulative total of 22 LTCF outbreaks have been reported
http://www.cdphe.state.co.us/dc/Influenza/11_12_outbreak.pdf
To view the weekly Colorado Flu (surveillance) Report (available as of 5/24/12), go to:
http://www.cdphe.state.co.us/dc/Influenza/index.html
To view the weekly CDC flu (surveillance) Report, go to:
http://www.cdc.gov/flu/about/season/flu-season-2011-2012.htm
**Week ending 5/26/12 marked the end of the official influenza season, although reporting of influenza-like illness (ILI) will continue throughout the summer. Reporting of hospitalization and death surveillance due to influenza, testing activities by sentinels hospital labs, outbreak reporting, and virology typing at the state lab will be suspended over the summer and resume in week 40 of the 2012-13 season.
 
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