Prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP), 2009.
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"Prevention and control of seasonal ..." refers background or result in this paper
...3 per 100,000 persons) among adults aged >65 years (6)....
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...Most mortality from influenza occurs among persons aged >65 years (6), and more immunogenic influenza vaccines are needed for this age group and other groups at high risk for mortality....
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...This increase was attributed in part to the substantial increase in the number of persons aged >65 years who were at increased risk for death from influenza complications (6)....
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...Risk for influenza-related death was highest among the oldest elderly, with persons aged >85 years 16 times more likely to die from an influenza-related illness than persons aged 65–69 years (6)....
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...In one study, an average of approximately 19,000 influenza-associated pulmonary and circulatory deaths per influenza season occurred during 1976–1990 compared with an average of approximately 36,000 deaths per season during 1990–1999 (6)....
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2,915 citations
"Prevention and control of seasonal ..." refers background in this paper
...The symptoms of novel influenza A (H1N1) virus infection are similar to those of seasonal influenza, and specific diagnostic testing is required to distinguish novel influenza A (H1N1) virus infection from seasonal influenza (9)....
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...In April 2009, a novel influenza A (H1N1) virus similar to influenza viruses previously identified in swine was determined to the cause of an influenza-like respiratory illness among humans that spread across North America and throughout most of the world by May 2009 (9,447)....
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2,393 citations
"Prevention and control of seasonal ..." refers background in this paper
...Novel influenza A (H1N1) virus is not a new subtype, but because the large majority of humans appear to have no pre-existing antibody to key novel influenza A (H1N1) virus hemagglutinin epitopes, substantial potential exists for widespread infection (16)....
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2,130 citations
"Prevention and control of seasonal ..." refers background in this paper
...During seasonal influenza epidemics from 1979–1980 through 2000–2001, the estimated annual overall number of influenza-associated hospitalizations in the United States ranged from approximately 55,000 to 431,000 per annual epidemic (mean: 226,000) (7)....
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...In addition, because children aged <5 years are at increased risk for influenza-related hospitalization (7,31,39,369,370) compared with older children, vaccination is recommended for their household contacts and out-of-home caregivers....
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...During 1979–2001, on the basis of data from a national sample of hospital discharges of influenzaassociated hospitalizations among children aged <5 years, the estimated rate of influenza-associated hospitalizations in the United States was 108 hospitalizations per 100,000 personyears (7)....
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...An annual average of approximately 36,000 deaths during 1990–1999 and 226,000 hospitalizations during 1979–2001 have been associated with influenza epidemics (6,7)....
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...For children, the risk for severe complications from seasonal influenza is highest among those aged <2 years, who have much higher rates of hospitalization for influenza-related complications compared with older children (7,32,39)....
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