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FluView Week 41 - some new information added
- Thread starter Farmer
- Start date
Ronan Kelly
Retired 2020
Week 41 fluview
Week 41 fluview
is here; emphasis is mine.
http://www.cdc.gov/flu/weekly/
Synopsis:
During week 41 (October 11-17, 2009), influenza activity increased in the U.S.
?4,855 (37.5%) 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 were positive for influenza.
?All subtyped influenza A viruses being reported to CDC were 2009 influenza A (H1N1) viruses.
?The proportion of deaths attributed to pneumonia and influenza (P&I) was above the epidemic threshold.
?Eleven influenza-associated pediatric deaths were reported. Nine of these deaths were associated with 2009 influenza A (H1N1) virus infection and two were associated with an influenza A virus for which subtype is undetermined.
?The proportion of outpatient visits for influenza-like illness (ILI) was above the national baseline. All 10 regions reported ILI above region-specific baseline levels.
?Forty-six states reported geographically widespread influenza activity, Guam and three states reported regional influenza activity, one state, the District of Columbia, and Puerto Rico reported local influenza activity, and the U.S. Virgin Islands did not report.
Week 41 fluview
is here; emphasis is mine.
http://www.cdc.gov/flu/weekly/
Synopsis:
During week 41 (October 11-17, 2009), influenza activity increased in the U.S.
?4,855 (37.5%) 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 were positive for influenza.
?All subtyped influenza A viruses being reported to CDC were 2009 influenza A (H1N1) viruses.
?The proportion of deaths attributed to pneumonia and influenza (P&I) was above the epidemic threshold.
?Eleven influenza-associated pediatric deaths were reported. Nine of these deaths were associated with 2009 influenza A (H1N1) virus infection and two were associated with an influenza A virus for which subtype is undetermined.
?The proportion of outpatient visits for influenza-like illness (ILI) was above the national baseline. All 10 regions reported ILI above region-specific baseline levels.
?Forty-six states reported geographically widespread influenza activity, Guam and three states reported regional influenza activity, one state, the District of Columbia, and Puerto Rico reported local influenza activity, and the U.S. Virgin Islands did not report.
Ronan Kelly
Retired 2020
Re: Week 41 fluview
Re: Week 41 fluview
Re: Week 41 fluview
Ronan Kelly
Retired 2020
Re: Week 41 fluview
Re: Week 41 fluview
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Influenza-Associated Pediatric Mortality
Eleven influenza-associated pediatric deaths were reported to CDC during week 41 (Georgia [2], Hawaii, Louisiana, Oklahoma [2], Ohio, North Carolina, Oregon, Texas, and Virginia). Nine of these deaths were associated with 2009 influenza A (H1N1) virus infection and two were associated with an influenza A virus for which the subtype is undetermined. These deaths occurred between June 14 and October 10, 2009. One death reported during week 41 occurred during the 2008-09 season. Since August 30, 2009, CDC has received 53 reports of influenza-associated pediatric deaths that occurred during the current influenza season (three deaths in children less than 2 years, seven deaths in children 2-4 years, 21 deaths in children 5-11 years, and 22 deaths in individuals 12-17 years). Forty-seven of the 53 deaths were due to 2009 influenza A (H1N1) virus infections, and the remaining six were associated with influenza A virus for which the subtype is undetermined. A total of 95 deaths in children associated with 2009 H1N1 virus have been reported to CDC.
Among the 53 deaths in children, 32 children had specimens collected for bacterial culture from normally sterile sites and seven (21.9%) of the 32 were positive; Staphylococcus aureus was identified in five (71.4%) of the seven children. One S. aureus isolate was sensitive to methicillin, three were methicillin resistant, and one did not have sensitivity testing performed. All seven children with bacterial coinfections were five years of age or older and four (57.1%) of the seven children were 12 years of age or older.
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Influenza-Associated Hospitalizations
Laboratory-confirmed influenza-associated hospitalizations are monitored using a population-based surveillance network that includes the 10 Emerging Infections Program (EIP) sites (CA, CO, CT, GA, MD, MN, NM, NY, OR and TN) and 6 new sites (IA, ID, MI, ND, OK and SD).
During September 1, 2009 ? October 17, 2009, the following preliminary laboratory-confirmed overall influenza associated hospitalization rates were reported by EIP and the new sites (rates include influenza A, influenza B, and 2009 influenza A (H1N1)):
Rates [EIP (new sites)] for children aged 0-4 years and 5-17 years were 1.9 (3.0) and 0.9 (1.6) per 10,000, respectively. Rates [EIP (new sites)] for adults aged 18-49 years, 50-64 years, and ≥ 65 years were 0.6 (0.6), 0.6 (0.6) and 0.5 (0.4) per 10,000, respectively.
Re: Week 41 fluview
View Full Screen
Influenza-Associated Pediatric Mortality
Eleven influenza-associated pediatric deaths were reported to CDC during week 41 (Georgia [2], Hawaii, Louisiana, Oklahoma [2], Ohio, North Carolina, Oregon, Texas, and Virginia). Nine of these deaths were associated with 2009 influenza A (H1N1) virus infection and two were associated with an influenza A virus for which the subtype is undetermined. These deaths occurred between June 14 and October 10, 2009. One death reported during week 41 occurred during the 2008-09 season. Since August 30, 2009, CDC has received 53 reports of influenza-associated pediatric deaths that occurred during the current influenza season (three deaths in children less than 2 years, seven deaths in children 2-4 years, 21 deaths in children 5-11 years, and 22 deaths in individuals 12-17 years). Forty-seven of the 53 deaths were due to 2009 influenza A (H1N1) virus infections, and the remaining six were associated with influenza A virus for which the subtype is undetermined. A total of 95 deaths in children associated with 2009 H1N1 virus have been reported to CDC.
Among the 53 deaths in children, 32 children had specimens collected for bacterial culture from normally sterile sites and seven (21.9%) of the 32 were positive; Staphylococcus aureus was identified in five (71.4%) of the seven children. One S. aureus isolate was sensitive to methicillin, three were methicillin resistant, and one did not have sensitivity testing performed. All seven children with bacterial coinfections were five years of age or older and four (57.1%) of the seven children were 12 years of age or older.
View Full Screen
Influenza-Associated Hospitalizations
Laboratory-confirmed influenza-associated hospitalizations are monitored using a population-based surveillance network that includes the 10 Emerging Infections Program (EIP) sites (CA, CO, CT, GA, MD, MN, NM, NY, OR and TN) and 6 new sites (IA, ID, MI, ND, OK and SD).
During September 1, 2009 ? October 17, 2009, the following preliminary laboratory-confirmed overall influenza associated hospitalization rates were reported by EIP and the new sites (rates include influenza A, influenza B, and 2009 influenza A (H1N1)):
Rates [EIP (new sites)] for children aged 0-4 years and 5-17 years were 1.9 (3.0) and 0.9 (1.6) per 10,000, respectively. Rates [EIP (new sites)] for adults aged 18-49 years, 50-64 years, and ≥ 65 years were 0.6 (0.6), 0.6 (0.6) and 0.5 (0.4) per 10,000, respectively.
