| occurrence of respiratory syncytial virus subtypes in mexican infants with acute lower respiratory tract disease. | the occurrence of respiratory syncytial virus (rsv) subtypes in mexico city was studied by searching for the virus in nasopharyngeal aspirates of 82 infants, less than 12 months of age, hospitalized for acute lower respiratory tract disease with diagnosis of bronchitis, bronchiolitis, pneumonia and laryngotracheobronchitis. the presence of respiratory virus was determined by observation of cytopathic effect in cell monolayers; samples which produced a clear syncytia were considered positive and ... | 1995 | 7620276 |
| [outbreak of respiratory syncytial virus at a neonatal intensive care unit in mexico city]. | rsv can be spread in hospital wards, being thus responsible for increased morbidity and mortality among infected patients. we describe an rsv outbreak in a neonatal intensive care unit (nicu). methods. as soon as the first rsv cases were detected in the nicu, every patient, as well as the personnel taking care of them, were tested; nasal washes for viral isolation, and nasopharyngeal swabs for viral antigen detection by immunofluorescence, were collected. results. twelve patients were hospitaliz ... | 1993 | 8216868 |
| comparative viral frequency in mexican children under 5 years of age with and without upper respiratory symptoms. | in mexico, there is a lack of up-to-date published data that show viruses to be the main cause of acute respiratory infection (ari). the objective of this study was to estimate the comparative viral frequency between children under the age of 5 years with and without ari (n = 179 in each group) in a suburban community (nezahualcóyotl city). a nasopharyngeal sample was collected for viral culture and identification was carried out by indirect immunofluorescence (iif) using mabs. there were no sex ... | 2003 | 12808080 |
| frequency of viruses associated with acute respiratory infections in children younger than five years of age at a locality of mexico city. | a locality in the district of tlalpan, mexico city, was selected in order to identify the viral agents in children younger than 5 years of age with acute respiratory infection (ari). a total of 300 children were randomly selected and were included in this study for a period of 13 months. during this period nasopharyngeal exudates were collected for the isolation of viral agents. monoclonal fluorescent antibodies were used for viral identification after cell culture. viral infection was detected ... | 2006 | 16612508 |
| [frequency of respiratory viruses and clinical characteristics in children attending a care center in mexico city]. | to describe the frequency of respiratory viruses and clinical characteristics in children with respiratory signs and symptoms in a tertiary care center in mexico. | 2010 | 21271012 |