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Fluview 2011-2012 Flu Season: Weeks 40-39 (No Pediatric Deaths; Total 34)

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  • #31
    Re: Fluview 2011-2012 Flu Season: Weeks 40-16 (Three Pediatric Deaths; Total 18)

    During week 16 (April 15-21, 2012), influenza activity was elevated in some areas of the United States, but declined nationally and in most regions.

    U.S. Virologic Surveillance: Of the 2,987 specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 662 (22.2%) were positive for influenza.
    Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths attributed to P&I was below the epidemic threshold.
    Influenza-associated Pediatric Mortality: Three influenza-associated pediatric deaths were reported. One was associated with a 2009 H1N1 virus, one was associated with a seasonal influenza A (H3) virus, and one was associated with an influenza A virus for which the subtype was not determined.
    Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.3%, which is below the national baseline of 2.4%. Region 10 reported ILI above its region-specific baseline level. Four states experienced low ILI activity; New York City and 46 states experienced minimal ILI activity, and the District of Columbia had insufficient data to calculate ILI activity.
    Geographic Spread of Influenza: Four states reported widespread geographic activity; 10 states reported regional influenza activity; 14 states reported local activity; the District of Columbia and 21 states reported sporadic activity; Guam, the U.S. Virgin Islands, and one state reported no influenza activity, and Puerto Rico did not report.
    http://www.cdc.gov/flu/weekly/?source=govdelivery

    Comment


    • #32
      Re: Fluview 2011-2012 Flu Season: Weeks 40-17 (Two Pediatric Deaths; Total 20)

      During week 17 (April 22-28, 2012), influenza activity declined nationally and in most regions, but remained elevated in some areas of the United States.

      U.S. Virologic Surveillance: Of the 2,886 specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 442 (15.3%) were positive for influenza.
      Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths attributed to P&I was below the epidemic threshold.
      Influenza-associated Pediatric Mortality: Two influenza-associated pediatric deaths were reported. One was associated with a 2009 H1N1 virus and one was associated with a seasonal influenza A (H3) virus.
      Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.1%, which is below the national baseline of 2.4%. All regions reported ILI below region-specific baseline levels. Four states experienced low ILI activity; New York City and 46 states experienced minimal ILI activity, and the District of Columbia had insufficient data to calculate ILI activity.
      Geographic Spread of Influenza: Two states reported widespread geographic activity; 9 states reported regional influenza activity; 12 states reported local activity; the District of Columbia and 27 states reported sporadic activity; Guam and the U.S. Virgin Islands reported no influenza activity, and Puerto Rico did not report.
      http://www.cdc.gov/flu/weekly/

      Comment


      • #33
        Re: Fluview 2011-2012 Flu Season: Weeks 40-18 (Two Pediatric Deaths; Total 22)

        During week 18 (April 29-May 5, 2012), influenza activity declined nationally and in most regions, but remained elevated in some areas of the United States.

        U.S. Virologic Surveillance: Of the 2,118 specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 291 (13.7%) were positive for influenza.
        Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths attributed to P&I was below the epidemic threshold.
        Influenza-associated Pediatric Mortality: Two influenza-associated pediatric deaths were reported. One was associated with an influenza B virus and 1 was associated with an influenza A virus for which the subtype was not determined.
        Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.4%, which is below the national baseline of 2.4%. All regions reported ILI below region-specific baseline levels. Two states experienced low ILI activity; New York City and 48 states experienced minimal ILI activity, and the District of Columbia had insufficient data to calculate ILI activity.
        Geographic Spread of Influenza: Two states reported widespread geographic activity; 8 states reported regional influenza activity; 12 states reported local activity; the District of Columbia, Puerto Rico, and 28 states reported sporadic activity, and Guam and the U.S. Virgin Islands reported no influenza activity.
        http://www.cdc.gov/flu/weekly/

        Comment


        • #34
          Re: Fluview 2011-2012 Flu Season: Weeks 40-19 (Two Pediatric Deaths; Total 24)

          During week 19 (May 6-12, 2012), influenza activity declined nationally and in most regions, but remained elevated in some areas of the United States.

          U.S. Virologic Surveillance: Of the 2,171 specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 288 (13.3%) were positive for influenza.
          Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths attributed to P&I was below the epidemic threshold.
          Influenza-associated Pediatric Mortality: Two influenza-associated pediatric deaths were reported. One was associated with an influenza B virus and 1 was associated with an influenza A virus for which the subtype was not determined.
          Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.2%, which is below the national baseline of 2.4%. All regions reported ILI below region-specific baseline levels. Two states experienced low ILI activity; New York City and 47 states experienced minimal ILI activity, and the District of Columbia and 1 state had insufficient data to calculate ILI activity.
          Geographic Spread of Influenza: One state reported widespread geographic activity; 5 states reported regional influenza activity; 11 states reported local activity; the District of Columbia, Guam, Puerto Rico, and 30 states reported sporadic activity, and the U.S. Virgin Islands and 3 states reported no influenza activity.
          http://www.cdc.gov/flu/weekly/

          Comment


          • #35
            Re: Fluview 2011-2012 Flu Season: Weeks 40-20 (Two Pediatric Deaths; Total 26)

            Week 20: FINAL FULL REPORT
            During week 20 (May 13-19, 2012), influenza activity declined nationally and in most regions, but remained elevated in some areas of the United States.

            U.S. Virologic Surveillance: Of the 2,054 specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 286 (13.9&#37 were positive for influenza.
            Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths attributed to P&I was below the epidemic threshold.
            Influenza-associated Pediatric Mortality: Two influenza-associated pediatric deaths were reported. One was associated with a seasonal influenza A (H3) virus and one was associated with an influenza B virus.
            Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.0%, which is below the national baseline of 2.4%. All regions reported ILI below region-specific baseline levels. One state experienced low ILI activity; New York City and 48 states experienced minimal ILI activity, and the District of Columbia and 1 state had insufficient data to calculate ILI activity.
            Geographic Spread of Influenza: One state reported widespread geographic activity; 2 states reported regional influenza activity; 8 states reported local activity; the District of Columbia, Guam, Puerto Rico, and 30 states reported sporadic activity; the U.S. Virgin Islands and 8 states reported no influenza activity, and one state did not report.
            http://www.cdc.gov/flu/weekly/

            Although influenza A (H3) viruses have predominated nationally this season, circulating viruses differ from region to region, and even from state to state. In recent weeks, the proportion of influenza B viruses has been increasing.
            http://www.cdc.gov/flu/weekly/summary.htm

            Comment


            • #36
              Re: Fluview 2011-2012 Flu Season: Weeks 40-22

              Week 22:
              No new pediatric deaths; total 26
              Influenza B on the increase.
              Percent positive: 13.2% (majority B); last week percent positive: 12.4%
              ILI: 1.1% (last week 1.3%)
              P&I: 6%
              http://gis.cdc.gov/grasp/fluview/flu...dashboard.html
              http://www.cdc.gov/flu/weekly/

              Comment


              • #37
                Re: Fluview 2011-2012 Flu Season: Weeks 40-23

                Week 23:
                No new pediatric deaths; total 26
                ILI: 1%
                Influenza B on the increase.
                Percent positive: 9.7% (majority B)
                P&I: 6.3%
                http://gis.cdc.gov/grasp/fluview/flu...dashboard.html

                Comment


                • #38
                  Re: Fluview 2011-2012 Flu Season: Weeks 40-24 (Three Pediatric Deaths; Total 29)

                  Week 24:
                  Three influenza-associated pediatric deaths were reported to CDC during week 24. One was associated with 2009 H1N1 and two were associated with an influenza B virus. The deaths reported during week 24 occurred during the week ending March 3, 2012 (week 9), April 28, 2012 (week 17), and June 9, 2012 (week 23); total 29

                  Influenza B on the increase.
                  Percent positive: 10.5% (majority B)
                  ILI: 0.9%
                  P&I: 6.3%
                  http://www.cdc.gov/flu/weekly/

                  Comment


                  • #39
                    Re: Fluview 2011-2012 Flu Season: Weeks 40-25 (One Pediatric Death; Total 30)

                    Week 25:
                    One influenza-associated pediatric death was reported to CDC during week 25 and was associated with 2009 H1N1. The death reported during week 25 occurred during the week ending April 28, 2012 (week 17). A total of 30 influenza-associated pediatric deaths have been reported during the 2011-2012 season.

                    ILI: 0.9%
                    8.23% positive for influenza (majority B)
                    P&I deaths: 6.1%
                    http://gis.cdc.gov/grasp/fluview/flu...dashboard.html
                    http://www.cdc.gov/flu/weekly/

                    Comment


                    • #40
                      Re: Fluview 2011-2012 Flu Season: Weeks 40-26 (One Pediatric Death; Total 31)

                      Week 26:
                      One influenza-associated pediatric death was reported to CDC during week 26 and was associated with 2009 H1N1. The death reported during week 26 occurred during the week ending May 26, 2012 (week 21). A total of 31 influenza-associated pediatric deaths have been reported during the 2011-2012 season.

                      ILI: 1%
                      8.6% positive for influenza: majority B
                      P&I deaths: 6.6%
                      http://www.cdc.gov/flu/weekly/

                      Comment


                      • #41
                        Re: Fluview 2011-2012 Flu Season: Weeks 40-27 (One Pediatric Death; Total 32)

                        Week 27:
                        One influenza-associated pediatric death was reported to CDC during week 27 and was associated with an influenza A (H3) virus. The death reported during week 27 occurred during the week ending April 28, 2012 (week 17); total 32

                        ILI: 1%
                        4.5% positive for influenza (majority B)
                        P&I deaths: 6.1%
                        http://www.cdc.gov/flu/weekly/

                        Comment


                        • #42
                          Re: Fluview 2011-2012 Flu Season: Weeks 40-28 (One Pediatric Death; Total 33)

                          Week 28:
                          One influenza-associated pediatric death was reported to CDC during week 28 and was associated with an influenza A (H3) virus. The death reported during week 28 occurred during the week ending March 17, 2012 (week 11); total 33

                          ILI: 0.9%
                          5.4% positive for influenza: majority B
                          P&I deaths: 6%
                          http://www.cdc.gov/flu/weekly/

                          Comment


                          • #43
                            Re: Fluview 2011-2012 Flu Season: Weeks 40-29 (One Pediatric Death; Total 34)

                            Week 29:
                            One influenza-associated pediatric death was reported to CDC during week 29 and was associated with an influenza B virus. The death reported during week 29 occurred during the week ending March 31, 2012 (week 13); total 34

                            ILI: 0.9%
                            4.4% positive for influenza: majority B
                            P&I deaths: 5.6%

                            Four human infections with novel influenza A viruses were detected in Indiana. The four persons were infected with an influenza A (H3N2) variant virus similar to those identified in the 13 human infections that occurred between July 2011 and April 2012 in Indiana (2), Pennsylvania (3), Maine (2), Iowa (3), Utah (1) and West Virginia (2). None of the four persons were hospitalized and all have recovered. All four persons reported close contact with swine prior to illness onset. Public health and agriculture officials are investigating case contacts and sources of exposure; no additional confirmed cases have been detected at this time.
                            http://www.cdc.gov/flu/weekly/

                            Comment


                            • #44
                              Re: Fluview 2011-2012 Flu Season: Weeks 40-29 (One Pediatric Death; Total 34)

                              2011-2012 Influenza Season Week 31 ending August 4, 2012

                              snip

                              Novel Influenza A Virus:

                              From July 12 through August 9, 2012, a total of 153 infections with influenza A (H3N2) variant (H3N2v) viruses have been reported in four states (Hawaii [1], Illinois [1], Indiana [120], and Ohio [31]). So far during the current outbreaks, two persons have been hospitalized as a result of their illness; no deaths have occurred. At this time no ongoing human-to-human transmission has been identified and all cases have reported contact with swine prior to illness onset. Public health and agriculture officials are investigating the extent of disease among humans and swine, and additional cases are likely to be identified as the investigation continues. Additional information on these cases can be found in the MMWR. Because of reporting deadlines, the state totals reported by CDC may not always be consistent with those reported by state health departments. If there is a discrepancy between these two counts, data from the state health departments should be used as the most accurate number.
                              CDC is required to report all cases of human infection with novel (non-human) influenza viruses – including influenza viruses of swine origin – to the World Health Organization (WHO) as part of the International Health Regulations (IHR). Domestically, CDC reports these cases in this report and on its website. Early identification and investigation of human infections with novel influenza A viruses is critical in order to evaluate the extent of the outbreak and possible human-to-human transmission. Additional information on influenza in swine, variant influenza infection in humans, and strategies to interact safely with livestock can be found at http://www.cdc.gov/flu/swineflu/infl...uses-h3n2v.htm.


                              http://www.cdc.gov/flu/weekly/


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                              • #45
                                Re: Fluview 2011-2012 Flu Season: Weeks 40-32 (No Pediatric Deaths; Total 34)

                                Week 32:
                                No influenza-associated pediatric deaths; total 34

                                ILI: 1%
                                8.6% positive for influenza (H3N2v representing about 1/4 of samples testing positive)
                                P&I deaths: 5.7%

                                Novel Influenza A Virus:
                                From July 12 through August 16, 2012, a total of 224 infections with influenza A (H3N2) variant (H3N2v) viruses have been reported in eight states (Hawaii [1], Illinois [3], Indiana [138], Michigan [1], Ohio [72], Pennsylvania [4], West Virginia [3], and Wisconsin [2]). So far during the current outbreaks, eight confirmed cases have been hospitalized as a result of their illness; no deaths have occurred.
                                http://www.cdc.gov/flu/weekly/

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