Answer
(c) Parainfluenza virus infection can be prevented by vaccination
Work Step by Step
Parainfluenza viruses cause rhinitis characterized by nasal, pharyngeal, and bronchial inflammation, primarily in children, which can cause noisy respiration (stridor) and acute obstruction of the larynx called croup. It spreads by direct contact or by large droplets. But the virus infection cannot be prevented by vaccination.
