| [respiratory viral infections in young children 1985-1988]. | in the period from may 1985 to june 1988 the authors (using the immunofluorescence method) examined 848 children aged 0-2 years hospitalized due to infections of respiratory tracts in the ii clinic of pediatrics of the pediatrics department of the ii medical faculty in the medical academy in warsaw. the most frequent causes of infections in respiratory tracts were virus rs (21.1% of patients) and virus of parainfluenza type 3 (6.5% of patients). an increase in viral respiratory infections took p ... | 1989 | 2554369 |