| longitudinal study of acute respiratory diseases in rio de janeiro: occurrence of respiratory viruses during four consecutive years. | the occurrence of different viruses in nasopharyngeal secretions from children less than 5 years old with acute respiratory infections (ari) was investigated over a period of 4 years (1982-1985) in rio de janeiro. of the viruses known to be associated with ari, all but influenza c and parainfluenza types 1, 2 and 4 were found. viruses were found more frequently in children attending emergency or pediatric wards than in outpatients. this was clearly related to the high incidence of respiratory sy ... | 1991 | 1668974 |
| [virological and serological observations on an outbreak of influenza in rio de janeiro]. | | 1974 | 4549845 |
| h1n1pdm influenza infection in hospitalized cancer patients: clinical evolution and viral analysis. | the novel influenza a pandemic virus (h1n1pdm) caused considerable morbidity and mortality worldwide in 2009. the aim of the present study was to evaluate the clinical course, duration of viral shedding, h1n1pdm evolution and emergence of antiviral resistance in hospitalized cancer patients with severe h1n1pdm infections during the winter of 2009 in brazil. | 2010 | 21152402 |