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respiratory syncytial virus seasonality in southeast florida: results from three area hospitals caring for children.southeast florida generally experiences longer seasonal epidemics of respiratory syncytial virus (rsv) than other parts of the country. in this report, the primary objective was to more accurately define the onset, peak, and duration of the rsv season in southeast florida. the results obtained for this region were also compared with those reported for the state and for the nation. seasonal patterns for rsv in southeast florida were analyzed based on the total number of rsv tests performed, numbe ...200718090202
response to respiratory synctial virus. 200818364631
respiratory syncytial virus activity-- united states, july 2007-december 2008.respiratory syncytial virus (rsv) is the most common cause of bronchiolitis and pneumonia in children aged <1 year and is a major cause of respiratory illness in older adults. rsv is transmitted person-to-person via close contact, droplets, and fomites. each year in the united states, an estimated 75,000-125,000 children aged <1 year are hospitalized with rsv. those at increased risk for hospitalization include premature infants meeting certain criteria and persons of any age with compromised re ...200819092759
respiratory syncytial virus activity - united states, july 2008-december 2009.respiratory syncytial virus (rsv) is the most common cause of bronchiolitis and pneumonia in children aged <1 year worldwide. each year in the united states, an estimated 75,000-125,000 infants are hospitalized with rsv. among adults aged >65 years, an estimated 177,000 hospitalizations and 14,000 deaths a year have been attributed to rsv infections. in temperate climates, the rsv season generally begins during the fall and continues through the winter and spring, but the exact timing of rsv cir ...201020203556
cost-effectiveness of respiratory syncytial virus prophylaxis in various indications.to evaluate the cost-effectiveness of immunoprophylaxis against respiratory syncytial virus (rsv) infections with palivizumab based on actual cost and observed incidence rates in various pediatric risk groups.201121300647
respiratory syncytial virus--united states, july 2007-june 2011.each year in the united states, an estimated 75,000-125,000 hospitalizations related to respiratory syncytial virus (rsv)occur among children aged <1 year, and rsv infection results in approximately 1.5 million outpatient visits among children aged <5 years. in the united states, rsv season begins in the fall, peaks in winter, and ends in the late winter and early spring. however, the exact timing and duration vary from year to year and by geographic region. to describe trends in rsv seasonality ...201121900874
correlation between respiratory syncytial virus (rsv) test data and hospitalization of children for rsv lower respiratory tract illness in florida.florida experiences year-round outbreaks of respiratory syncytial virus (rsv), but it is unknown if there is a correlation between rsv virology data and disease-related hospitalizations. we analyzed rsv surveillance and hospitalization data for the state of florida to determine if there is an association between seasonal virology data and the incidence of international classification of diseases, 9th revision, clinical modification (icd-9-cm) coded hospitalizations for rsv lower respiratory trac ...200818449062
brief report: respiratory syncytial virus activity--united states, july 2006-november 2007.respiratory syncytial virus (rsv), the most common cause of severe lower respiratory tract disease among infants and young children, typically infects persons by age 2 years and can cause subsequent infections throughout life. rsv infection primarily manifests as bronchiolitis or pneumonia and results in approximately 75,000 to 125,000 hospitalizations in the united states each year. persons at increased risk for severe disease or death include premature infants, older adults, and persons of any ...200718059258
respiratory syncytial virus: seasonal data for regions of florida and implications for palivizumab.the aims of this study are to define the length of the respiratory syncytial virus (rsv) season throughout florida and evaluate the american academy of pediatrics (aap) guidelines on the administration of palivizumab in light of the florida data.200717639745
modeling epidemics caused by respiratory syncytial virus (rsv).respiratory syncytial virus (rsv) is the most common cause of acute lower respiratory tract infection in children. in this paper we use models of rsv transmission to interpret the pattern of seasonal epidemics of rsv disease observed in different countries, and to estimate epidemic and eradication thresholds for rsv infection. we compare the standard sirs model with a more realistic model of rsv transmission in which individuals acquire immunity gradually after repeated exposure to infection. th ...200111520501
cost-effectiveness of respigam at a university teaching hospital. 19979229713
respiratory syncytial virus activity--united states, july 2011-january 2013.respiratory syncytial virus (rsv) causes lower respiratory infections among infants and young children worldwide. during 1997-2006, an estimated 132,000-172,000 children aged <5 years were hospitalized for rsv infection annually in the united states. in temperate climate zones, rsv generally circulates during the fall, winter, and spring, but the exact timing and duration of rsv seasons vary by region and year. to determine seasonal trends in the circulation of rsv at national and regional level ...201323446512
validity of laboratory-based surveillance for detection of respiratory syncytial virus seasons.in this study, we validated the centers for disease control and prevention's use of a 10% threshold of median proportion of positive laboratory tests (median proportion positive (mpp)) to identify respiratory syncytial virus (rsv) seasons against a standard based on hospitalization claims. medicaid fee-for-service recipients under 2 years of age from california, florida, illinois, and texas (1999-2004), continuously eligible since birth, were categorized for each week as high-risk or low-risk wi ...201323479344
appropriateness of age thresholds for respiratory syncytial virus immunoprophylaxis in moderate-preterm infants: a cohort study.importance recommendations concerning the appropriate age threshold for respiratory syncytial virus (rsv) prophylaxis in moderate-preterm infants are highly debated. objective to determine the age at which moderate-preterm infants' risk of rsv hospitalization has decreased to the risk observed in low-risk term infants. design, setting, and participants retrospective cohort study of florida and texas medicaid fee-for-service billing records matched to birth certificates from medicaid beneficiarie ...201324126903
the importance of the local environment in the transmission of respiratory syncytial virus.the role of the environment in the spread of respiratory infections is poorly understood, and consequently probably underappreciated. to improve our understanding of the environmental drivers of respiratory syncytial virus (rsv) transmission, we examined rsv seasonality in two settings with unusual seasonal patterns: the gambia (where rsv epidemics occur at different times of the year) and southeast florida (where rsv seasonality differs from the rest of mainland usa). we used published data to ...201424973721
respiratory syncytial virus--united states, july 2012-june 2014.respiratory syncytial virus (rsv) causes lower respiratory infection among infants and young children worldwide. annually in the united states, rsv infection has been associated with an estimated 57,527 hospitalizations and 2.1 million outpatient visits among children aged <5 years. in temperate climate zones, rsv generally circulates during the fall, winter, and spring. however, the exact timing and duration of rsv seasons vary by region and from year-to-year. knowing the start of the rsv seaso ...201425474034
environmental drivers of the spatiotemporal dynamics of respiratory syncytial virus in the united states.epidemics of respiratory syncytial virus (rsv) are known to occur in wintertime in temperate countries including the united states, but there is a limited understanding of the importance of climatic drivers in determining the seasonality of rsv. in the united states, rsv activity is highly spatially structured, with seasonal peaks beginning in florida in november through december and ending in the upper midwest in february-march, and prolonged disease activity in the southeastern us. using data ...201525569275
evaluation of recent new vaccine surveillance network data regarding respiratory syncytial virus hospitalization rates in us preterm infants.in july 2014, the committee on infectious diseases (coid) updated their guidance on the use of palivizumab, recommending against use in preterm infants 29 to 35 weeks' gestational age (wga). a primary data source cited to support this significant change was the low respiratory syncytial virus (rsv) hospitalization rate observed in the subpopulation of preterm (<37 wga) infants evaluated from 2000 to 2005 through the new vaccine surveillance network (nvsn). here we critically appraise the preterm ...201626889568
Effectiveness of palivizumab prophylaxis in infants and children in Florida.PURPOSE: Palivizumab effectiveness data on respiratory syncytial virus (RSV) infections are limited to trial settings and vary considerably between selected high-risk populations. This study aimed to evaluate effectiveness in a community-based sample. METHODS: We conducted a cohort study of children with =3?months Florida Medicaid fee-for-service eligibility between 1998 and 2004 who also had matching birth certificates. Children entered the cohort at the beginning of the RSV season, after a min ...201121919115
clinical and radiological features of respiratory syncytial virus in solid organ transplant recipients: a single-center experience.background: respiratory syncytial virus (rsv) infections range from upper respiratory illness to severe lower respiratory disease. there is no universally accepted treatment for rsv in solid organ transplant (sot) recipients. methods: retrospective review of adult sot patients with rsv infections, between january 2007 and december 2009, in a single transplant center was performed. results: during the 3-year period, a total of 24 adults developed rsv infection, including 12 (50%) sot recipients ( ...201122093238
palivizumab utilization and compliance: trends in respiratory syncytial virus prophylaxis in florida.to analyze adherence to guidelines to prevent respiratory syncytial virus hospitalization and to a monthly immunoprophylaxis schedule in the absence of prior authorization requirements.201020223478
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