A rhinovirus was a type of virus that primarily affected the respiratory system. The common cold was most often caused by rhinoviruses.
One example was Thelusian flu, which Doctor Katherine Pulaski described in 2365 as being "exotic but harmless". (TNG: "Unnatural Selection")
When he experienced vahar'ai in 2257, Saru initially mistook the symptoms for those of a rhinovirus. (DIS: "An Obol for Charon")