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Parainfluenza virus
Common cause of RTIs in children, can cause croup
- epidemiology
- classification and characteristics
- transmission and infection
- pathogenicity and virulence
- clinical manifestations
- diagnosis
- treatment
Epidemiology
- common pediatric RTI
- omst infections occur in fall or late winter
Classification and Characteristics
- four strains
Transmission and Infection
- infection is often limited to nasopharynx, though 2% get laryngeo-tracheo-bronchitis (croup)
- narrowing of larynx and distension of hypopharynx
Pathogenicity and Virulence
Clinical Manifesations
Diagnosis
Treatment
- no vaccine