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Winter viruses: influenza- and respiratory syncytial virus-related morbidity in chronic lung disease
Journal article   Open access   Peer reviewed

Winter viruses: influenza- and respiratory syncytial virus-related morbidity in chronic lung disease

Marie R Griffin, Christopher S Coffey, Kathleen M Neuzil, Edward F Mitchel Jr, Peter F Wright and Kathryn M Edwards
Archives of internal medicine (1960), Vol.162(11), pp.1229-1236
06/10/2002
DOI: 10.1001/archinte.162.11.1229
PMID: 12038940
url
https://doi.org/10.1001/archinte.162.11.1229View
Published (Version of record) Open Access

Abstract

Chronic lung disease predisposes to serious consequences of respiratory viruses. While increasing influenza immunization rates in older adults signals an awareness of the impact of influenza, children with asthma are infrequently immunized. While respiratory syncytial virus (RSV) is recognized as an important target of vaccine development for infants, its impact on adults is underappreciated. We performed a retrospective cohort study to estimate rates of hospitalizations, deaths, outpatient visits, and antibiotic courses due to influenza and RSV in persons with chronic lung disease in the Tennessee Medicaid program from 1995 to 1999. Differences between study event rates when influenza was cocirculating with RSV and event rates when RSV was circulating alone were used to calculate influenza-attributable morbidity. Differences in rates when RSV was circulating alone and during summer months were calculated to assess the effect of RSV. Influenza- and RSV-associated hospitalizations were highest at the extremes of age. There were an estimated 8 and 23 hospitalizations per 1000 children younger than 5 years annually due to influenza and RSV, respectively. There were 23 and 18 hospitalizations, as well as 2 and 5 deaths per 1000 persons 65 years or older annually due to influenza and RSV, respectively. Both viruses were associated with an excess of outpatient visits in children, and antibiotic prescriptions in all age groups. Among persons with chronic lung disease, influenza virus and RSV accounted for 15% to 33% of acute respiratory hospitalizations in children, 7% to 9% of such hospitalizations in adults, and 9% of deaths in those 65 years or older.
 Adolescent Adult Aged Child Child, Preschool Chronic Disease Female Hospitalization - statistics & numerical data Humans Influenza, Human - epidemiology Lung Diseases - virology Male Medicaid Middle Aged Morbidity Respiratory Syncytial Virus Infections - epidemiology Retrospective Studies Seasons Tennessee - epidemiology

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