Prevalence and clinical aspects of respiratory syncytial virus A and B groups in children seen at Hospital de Clínicas of Uberlândia, MG, Brazil

Oliveira, Thelma Fátima Mattos; Freitas, Guilherme Ramos Oliveira e; Ribeiro, Lucas Zimon Giacomini; Yokosawa, Jonny; Siqueira, Marilda M.; Portes, S A R; Silveira, Hélio Lopes da; Calegari, Tatiany; Costa, L. C.; Mantese, Orlando César; Queiróz, Divina Aparecida Oliveira

doi:10.1590/s0074-02762008000500002

Cited by 43 publications

(59 citation statements)

References 38 publications

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“…The high frequency of HRV co-infection with RSV has been observed previously (Papadopoulos et al 2002, Paranhos-Baccalà et al 2008, Gerna et al 2009). In our region, the high prevalence of HRV and RSV co-infection may be related to seasonal trends (Costa et al 2006, Oliveira et al 2008); HRV and RSV infections peak concurrently.…”

Section: Discussionmentioning

confidence: 83%

Human rhinovirus in the lower respiratory tract infections of young children and the possible involvement of a secondary respiratory viral agent

Paula

Carneiro

Yokosawa

et al. 2011

Mem. Inst. Oswaldo Cruz

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Section: Discussionmentioning

confidence: 83%

Human rhinovirus in the lower respiratory tract infections of young children and the possible involvement of a secondary respiratory viral agent

Paula

Carneiro

Yokosawa

et al. 2011

Mem. Inst. Oswaldo Cruz

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“…The majority of these infections are caused by HRSV, FLUAV and FLUBV, HPIV and HAdV 45 . Newly discovered viruses such as HMPV, HBoV, HCoV-NL63 and HCoV-HKU1, have also been demonstrated to be important respiratory pathogens 26,39 . Moreover, two new human polyomaviruses (KIPyV and WUPyV) are been described among patients with respiratory infections 26,39 .…”

Section: Discussionmentioning

confidence: 99%

Acute respiratory viral infections in children in Rio de Janeiro and Teresópolis, Brazil

Albuquerque

Varella

Santos³

2012

Rev. Inst. Med. trop. S. Paulo

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SUMMARYThe frequency of viral pathogens causing respiratory infections in children in the cities of Rio de Janeiro and Teresópolis was investigated. Nasal swabs from children with acute respiratory illnesses were collected between March 2006 and October 2007. Specimens were tested for viral detection by conventional (RT)-PCR and/or real time PCR. Of the 205 nasal swabs tested, 64 (31.2%) were positive for at least one of the viral pathogens. Single infections were detected in 56 samples, 50 of those were caused by RNA viruses: 33 samples tested positive for rhinovirus, five for influenza A, five for metapneumovirus, four for coronavirus and, three for respiratory syncytial virus. For the DNA viruses, five samples were positive for bocavirus and one for adenovirus. Co-infections with these viruses were detected in eight samples. Our data demonstrate a high frequency of viral respiratory infections, emphasizing the need for a more accurate diagnosis particularly for the emerging respiratory viruses. The fact that the emerging respiratory viruses were present in 9.2% of the tested samples suggests that these viruses could be important respiratory pathogens in the country.

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“…Nasopharyngealaspirateswere collected as described 17 and tested by immunofluorescence assay for detection of respiratory syncytial virus (RSV), influenza viruses A and B, parainfluenza viruses (PIVs) 1, 2, and 3, and adenovirus (AdV) with the Respiratory Panel I Viral Screening and Identification Kit (Merck Millipore, Billerica, MA). Additionally, reverse transcription polymerase chain reaction was used to detect RSV and influenza virus, 18 PIV 1-3, 19 and human metapneumovirus (hMPV), 20 and polymerase chain reaction was used for AdV.…”

Section: Underlying Risk Conditionsmentioning

confidence: 99%

Human Rhinovirus and Disease Severity in Children

Costa¹,

Queiróz²,

Silveira

et al. 2014

Pediatrics

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WHAT'S KNOWN ON THIS SUBJECT: Human rhinovirus has been known as the common cold agent. Recently, studies have reported that this virus is responsible for severe infections of the lower respiratory tract in children. Reports of factors that increase disease severity have been contradictory. WHAT THIS STUDY ADDS:This study identifies some of the factors involved in disease severity in HRV infections in children. We expect that children at risk for developing severe disease could be identified sooner and appropriate measures could be taken. abstract OBJECTIVE: To evaluate retrospectively human rhinovirus (HRV) infections in children up to 5 years old and factors involved in disease severity.METHODS: Nasopharyngeal aspirates from 434 children presenting a broad range of respiratory infection symptoms and severity degrees were tested for presence of HRV and 8 other respiratory viruses. Presence of host risk factors was also assessed.RESULTS: HRV was detected in 181 (41.7%) samples, in 107 of them as the only agent and in 74 as coinfections, mostly with respiratory syncytial virus (RSV; 43.2%). Moderate to severe symptoms were observed in 28.9% (31/107) single infections and in 51.3% (38/74) coinfections (P = .004). Multivariate analyses showed association of coinfections with lower respiratory tract symptoms and some parameters of disease severity, such as hospitalization. In coinfections, RSV was the most important virus associated with severe disease. Prematurity, cardiomyopathies, and noninfectious respiratory diseases were comorbidities that also were associated with disease severity (P = .007).CONCLUSIONS: Our study showed that HRV was a common pathogen of respiratory disease in children and was also involved in severe cases, causing symptoms of the lower respiratory tract. Severe disease in HRV infections were caused mainly by presence of RSV in coinfections, prematurity, congenital heart disease, and noninfectious respiratory disease. Pediatrics 2014;133:e312-e321 AUTHORS:

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Prevalence and clinical aspects of respiratory syncytial virus A and B groups in children seen at Hospital de Clínicas of Uberlândia, MG, Brazil

Abstract: Respiratory syncytial virus (RSV) is well recognized as the most important pathogen causing acute respiratory disease in infants and

Cited by 43 publications

References 38 publications

Human rhinovirus in the lower respiratory tract infections of young children and the possible involvement of a secondary respiratory viral agent

Human rhinovirus in the lower respiratory tract infections of young children and the possible involvement of a secondary respiratory viral agent

Acute respiratory viral infections in children in Rio de Janeiro and Teresópolis, Brazil

Human Rhinovirus and Disease Severity in Children

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