en: Background: CDAD is one of the most common hospital-acquired infections in Western countries, especially among the elderly. The incidence and severity of CDAD is increasing in many countries.
is: Inngangur: Clostridium difficile (CD) er aðalorsakavaldur niðurgangssýkinga sem ganga á sjúkrahúsum í hinum vestræna heimi, sérstaklega á meðal eldra fólks og fer nýgengi hennar vaxandi.