The alcohol rub kills everything else but it can't kill C. diff.
Its spokesman, Andy Comber, said: "Patient safety is our number one priority and the HPA has acknowledged we are doing everything we can to tackle C. diff.
"Current measures include a high profile handwashing campaign and tightening the use of antibiotics which can trigger C. diff."
"We are asking our patients and the public for help in tackling it through handwashing, which is the first line of defence in the battle against C. diff.