The most common virus causing acute coryza is?: (A) Arena virus, (B) Rhino virus, (C) RSV, (D) Influenza virus
Answer is B. The common cold is the most common illness in humans Rhinovirus ( most commonly), Influenza, Parainfluenza, Coronavirus, Respiratory syncytial virus etc all lead to the common cold. (Ref: Cummings, 6th edition, Pg no. 725 )