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VIRTUALISATION Infants most likely to get H1N1; older people most likely to die
VIRTUALISATION Infants most likely to get H1N1; older people most likely to die | Infants most likely to get H1N1; older people most likely to die |
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| by William Atkins | |
| Friday, 06 November 2009 | |
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The results of the study were published (JAMA 2009;302(17):1896-1902) in the Journal of the American Medical Association (JAMA). The paper is entitled “Factors Associated With Death or Hospitalization Due to Pandemic 2009 Influenza A(H1N1) Infection in California.” It was authored by members of the California Pandemic (H1N1) Working Group. They include Janice K. Louie, Meileen Acosta, Kathleen Winter, Cynthia Jean, Shilpa Gavali, Robert Schechter, Duc Vugia, Kathleen Harriman, Bela Matyas, Carol A. Glaser, Michael C. Samuel, Jon Rosenberg, John Talarico, and Douglas Hatch. The working group, as part of the California Department of Public Health, analyzed data from 1,088 patients of the H1N1 flu in California hospitals over a four month period, from April 23 to August 11, 2009. The H1N1 flu, also called influenza A (H1N1) virus, is a subtype of influenzavirus A. The patients’ median age was 27 years, but they ranged from 1 year to 82 year. The report stated that 741 of the 1,088, or 68%, had risk factors for seasonal influenza complications. The California report also stated, “Sixty-six percent (547/833) of those with chest radiographs performed had infiltrates and 31% (340/1088) required intensive care. Rapid antigen tests were falsely negative in 34% (208/618) of cases evaluated. Secondary bacterial infection was identified in 4% (46/1088). Twenty-one percent (183/884) received no antiviral treatment.” Dr. Janice Louie, a public-health medical officer with the state, was the lead researcher in the study. Page two concludes the story with statements from Dr. Louie. |
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