viral respiratory infections in young children attending day care in urban northeast brazil.a cohort of children attending a day care center in salvador (bahia, brazil) was studied prospectively to determine the incidence of viral respiratory infectious episodes and to identify the viruses associated with them. two hundred seventy-one nasopharyngeal samples were collected over a 1-year period for examination, using indirect immunofluorescence with monoclonal antibodies against adenovirus, influenza a and b, parainfluenzae 1-3, and respiratory syncytial virus, and reverse transcriptase- ...200312567386
respiratory syncytial virus infections during an epidemic period in salvador, brazil. viral antigenic group analysis and description of clinical and epidemiological aspects.acute respiratory infections (ari) caused by respiratory syncytial virus (rsv) were studied in 482 children from salvador, ba, brazil, over a period of 12 months. the epidemic period of rsv infections in salvador occurred from february (summer) to august (winter), with peaks in may, june, and july. the grouping characteristics of 84 rsv present in nasopharyngeal secretions of children seen at a reference university hospital were analyzed. rsv represented 17.4% of all cases and 54.5% of the posit ...200314595448
genetic diversity of respiratory syncytial virus isolated during an epidemic period from children of northeastern brazil.outbreaks of human respiratory syncytial virus (hrsv) are the leading cause of serious acute lower respiratory viral disease in many countries in different continents. data on clinical and epidemiological aspects of hrsv infections in this country have been reported, but there is lack of data regarding the molecular epidemiology of this virus in salvador. the genetic variability of hrsv isolated during an outbreak in salvador, brazil (1999) has been analysed. partial sequences of the g protein g ...200415258982
seasonal patterns of viral and bacterial infections among children hospitalized with community-acquired pneumonia in a tropical pneumonia (cap) is a common cause of morbidity among children. evidence on seasonality, especially on the frequency of viral and bacterial causative agents is scarce; such information may be useful in an era of changing climate conditions worldwide. to analyze the frequency of distinct infections, meteorological indicators and seasons in children hospitalized for cap in salvador, brazil, nasopharyngeal aspirate and blood were collected from 184 patients aged < 5 y over a 21-mo ...201020608763
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