A comparison of influenza and respiratory syncytial virus infections among infants admitted to hospital with acute respiratory infections

Caul, E.O.; Waller, D. Kim; Clarke, Suzanne; Corner, Beryl D.

doi:10.1017/s0022172400055765

Cited by 25 publications

(11 citation statements)

References 20 publications

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“…also observed. [22][23][24] A similar male preponderance has been shown with acute respiratory illness in the community. 24 Prolonged shedding of the ADV is known; however, ADV were isolated from only 0.6% nasal washings taken from healthy children.…”

Section: Discussionsupporting

confidence: 55%

Adenovirus Respiratory Infections in Hospitalized Children

Tabain

Ljubin‐Sternak

Čepin-Bogović

et al. 2012

Pediatric Infectious Disease Journal

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Section: Discussionsupporting

confidence: 55%

Adenovirus Respiratory Infections in Hospitalized Children

Tabain

Ljubin‐Sternak

Čepin-Bogović

et al. 2012

Pediatric Infectious Disease Journal

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“…Two studies took laboratory samples when children were hospitalised for respiratory symptoms [25,26]. Only a few of the studies provided extensive information on the course, duration and severity of disease or subsequent morbidity and complications [16,24,27].…”

Section: Symptoms and Complications In Proven Cases Of Influenzamentioning

confidence: 99%

“…convulsions with or without respiratory illness, were the reason for admission in 36% in the presence of influenza, especially in those aged 1-2 years. Other reasons for hospital admission were upper respiratory tract infections in 43% croup in 7%, bronchitis in 19%, bronchiolitis in 11%, pneumonia in 11% and convulsions alone in 15% [25].…”

Section: Symptoms and Complications In Proven Cases Of Influenzamentioning

confidence: 99%

Incidence of influenza and associated illness in children aged 0-19 years: a systematic review

et al. 2005

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A systematic review was conducted to estimate the incidence of influenza and concomitant morbidity and mortality in children from 0 to 19 years (0-19 years). Medline was searched for observational studies and placebo or non-treated arms of experimental studies providing occurrence rates of laboratory-proven influenza illness. From the 2758 titles identified, 356 full papers were reviewed based on the abstract or title; after searching their reference lists an additional 16 papers were found. Finally 28 studies met our inclusion criteria, reporting a varying seasonal incidence of influenza of up to 46%. However, when analysing two long-term observational studies and averaging seasonal fluctuations, the overall incidence of influenza was found to range from 5% to 9.5% per year. Serious morbidity was seldom reported and no cases of mortality were found. Our review shows influenza as an infection with a moderate average incidence and a self-limiting character that is associated with mild morbidity and rare cases of mortality in children. This systematic review may be subject to two contrasting biases. First, the limited number of children reported in the literature with proven influenza infections would tend to under-represent the incidence of uncommon but serious complications such as death. Second, the preferential reporting of influenza outbreak seasons may over-estimate the importance of influenza. Future population based studies should focus on consecutive influenza seasons and capture indirect benefits of vaccinations such as interruption of transmission in the community so that preventive strategies for children can be reconsidered with special attention to their cost effectiveness.

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“…[4][5][6][7][8] RSV is a leading cause of hospitalization for respiratory tract infection in young children. [9][10][11][12] Previous studies have estimated the mortality associated with influenza and RSV in adults, 4 and prospective surveillance studies of hospital admissions and ambulatory visits for laboratory-confirmed illness have elucidated the burden of illness and clinical spectrum of disease in certain settings. 5,13 In Canada, detailed records of all hospital discharges have been captured in a national database since 1994.…”

Section: Introductionmentioning

confidence: 99%

Role of influenza and other respiratory viruses in admissions of adults to Canadian hospitals

Schanzer

Langley

Tam

2008

Influenza Resp Viruses

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Objective We sought to estimate age‐specific hospitalization rates attributed to influenza and other virus for adults. Methods Admissions from Canada’s national hospitalization database (Canadian Institute of Health Information), from 1994/95 to 1999/2000, were modeled as a function of proxy variables for influenza, respiratory syncytial virus (RSV) and other viral activity, seasonality and trend using a Poisson regression model and stratified by age group. Results The average annual influenza‐attributed hospitalization rate for all adults, 20 years of age or older, over the study period, which included three severe seasons, was an estimated 65/100 000 population (95% CI 63–67). Among persons aged 65 and over, 270–340 admissions per 100 000 population per year were attributed to influenza, while 30–110, 60–90 and 130–350 per 100 000 were attributed to RSV, parainfluenza (PIV) and other respiratory viruses, respectively. Although marked season‐to‐season variation in age‐specific hospitalization rates attributable to influenza was observed in persons 50 years of age and older, increasing risk with age was preserved at all time periods. Conclusions Influenza, RSV, PIV and other respiratory viruses were all associated with morbidity requiring hospitalization, while influenza was responsible for peak respiratory admissions. The burden of health care utilization associated with respiratory viruses is appreciable beginning in the sixth decade and increases significantly with age.

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A comparison of influenza and respiratory syncytial virus infections among infants admitted to hospital with acute respiratory infections

Cited by 25 publications

References 20 publications

Adenovirus Respiratory Infections in Hospitalized Children

Adenovirus Respiratory Infections in Hospitalized Children

Incidence of influenza and associated illness in children aged 0-19 years: a systematic review

Role of influenza and other respiratory viruses in admissions of adults to Canadian hospitals

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