Dr Donald Morrison, of the Scottish MRSA Reference Laboratory, said his centre had received reports of pets developing MRSA and was helping the government research the issue.
"So far it seems to be a case of the patient passing it on to the pet, but there is no reason why it cannot be passed from pet to pet, and pet to human.
"However, it is too early to draw any firm conclusions, we need to look into this further.
"What is interesting that all the cases seem to be the hospital strain, which is very good at surviving and spreading.
"As for livestock, again it is possible."
However, he said it was very unlikely MRSA would be passed on to humans from drinking cows' milk or eating meat.
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