Region Type of virus Transmission Route Incubation Period Source of Infection Sign Symptom Complication Virulence Factor Dif. Diagnosis Epidemiology Prophylaxis
PARAINFLUENZA VIRUS infection Human parainfluenza viruses (HPIVs) Respiratory epithelial cells- replicates in cell cytoplasm - formation of multinucleated giant cells 7 - 10 days Na *Crop * Pneumonia * Bronchiolitis & Tracheobronchitis * Otitis media, pharyngitis , conjunctivitis ,coryza *Crop * Pneumonia 8 Bronchiolitis & Tracheobronchitis * Otitis media, pharyngitis , conjunctivitis ,coryza *Live attenuated vaccine