translation.da: Hos patienter med svækket immunforsvar kan der derimod opstå voldsom, livstruende, vandig diarré, som er meget vanskelig at behandle med aktuelt tilgængelig medicin.
translation.en: By contrast, patients with impaired immune system may develop profuse, life-threatening, watery diarrhoea that is very difficult to treat with currently available drugs.