Although people are still getting sick and deaths are continuing, the pandemic picture is continuing to improve as the second wave continues its downward trend. The CDC FluView report is delayed this week due to the Thanksgiving holiday.
- Over 99% of all subtyped influenza A viruses being reported to CDC were 2009 H1N1.
- The proportion of deaths attributed to pneumonia and influenza (P&I) was above the epidemic threshold for the eighth consecutive week.
- Thirty-five influenza-associated pediatric deaths were reported.
- Twenty-seven of these deaths were associated with 2009 influenza A (H1N1) virus infection, seven were associated with an influenza A virus for which the subtype was undetermined, and one was associated with a seasonal influenza A (H1) virus infection that occurred in March.
- The proportion of outpatient visits for influenza-like illness (ILI) was 4.3% which is above the national baseline of 2.3%. All 10 regions reported ILI above region-specific baseline levels.
- Thirty-two states reported geographically widespread influenza activity.
Hospitalizations and Deaths
Pediatric Deaths
- California, Colorado, Florida [3], Illinois [3], Indiana, Kentucky, Massachusetts, Minnesota, Missouri, New Hampshire, New Mexico [8], New York, North Carolina [2], Pennsylvania [2], Rhode Island [2], South Carolina [2], Tennessee, Texas [2], and Washington).
- Twenty-seven of these deaths were associated with 2009 influenza A (H1N1) virus infection, seven were associated with an influenza A virus for which the subtype is undetermined, and one was associated with a seasonal influenza A (H1) virus infection.
Outpatient Surveillance
Geographical Spread
During week 46, the following influenza activity was reported:
- Widespread influenza activity was reported by 32 states (Alabama, Alaska, Arizona, California, Connecticut, Delaware, Florida, Idaho, Illinois, Indiana, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Utah, Vermont, Virginia, and West Virginia).
- Regional influenza activity was reported by Puerto Rico and 17 states (Arkansas, Colorado, Georgia, Hawaii, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, North Dakota, South Carolina, South Dakota, Texas, Washington, and Wisconsin).
- Local influenza activity was reported by the District of Columbia and one state (Wyoming).
- Sporadic influenza activity was reported by Guam and the U.S. Virgin Islands.