Where the bugs hang out in homes.
D000328:Adult; D002648:Child; D003139:Common Cold / Q000517:prevention & control / Q000635:transmission / Q000821:virology*; D006235:Hand Disinfection; D006798:Housing; D006801:Humans; D010988:Play and Playthings; D012229:Rhinovirus / Q000302:isolation & purification*