Two siblings, ages 2 and 4, experience fever, rhinitis, and pharyngitis that res

Question

Two siblings, ages 2 and 4, experience fever, rhinitis, and pharyngitis that result in laryngotracheobronchitis. Both have a harsh, bark-like cough and hoarseness. Which of the following viruses is the leading cause of their syndrome? A. Adenovirus B. Coxsackie virus B C. Measles virus D. Parainfluenza virus E. Rotavirus A local school district finds a large number of student absences, with the children presenting with rhinorrhea, nasal obstruction, headache, and malaise, but no fever. A strain of rhinovirus is the most likely etiologic agent of these infections. By which method is this virus most frequently spread? A. fecal-oral route B. Hand-to-hand contact C. Respiratory droplets D. Sexual contact E. Vertical transmission

Explanation / Answer

28-Laryngotracheobronchitis also known as Croup is a viral infection that leads to swelling inside Trachea that interfers with normal breathing and produces a symptom classically known as Barking Cough.This infection is usually caused by Parainfluenza Virus.

29-Rhinovirus is a very common viral infection agent that causes so called "Common cold".The most common method of spread is by Respiratory droplets.

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