Whence the "proteii"?
D003428:Cross Infection / Q000209:etiology* / Q000517:prevention & control; D004812:Epidemiologic Methods; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology; D011512:Proteus Infections / Q000209:etiology