Rhinovirus 16 protein capsid (3D data 1AYM from http://www.rcsb.org). The single stranded RNA genome inside the capsid is not visible here. There are more than 100 known serotypes. Rhinovirus causes 30 to 50% of the common cold, the most common infection disease in humans with no known cure. Common symptoms are cough, sore throat, runny nose, nasal congestion, and sneezing. Rhinovirus gets its name from the Greek rhin- which means nose.