I am worried that rats carry diseases. I clean and disinfect my pet rats' cage once a week but sawdust sometimes escapes from the cages which is contaminated with urine. Have I placed my other pets (cats and dogs) at risk? (Andrew Morris - New Jersey)
Wild rats carry diseases to which both humans and animals are susceptible. Since yours probably come from a line which has never had contact with wild rats, it is highly unlikely that they carry any more disease risk than, say, a hamster.
The vaccines that your dogs and cats should get annually will protect against the diseases your rat may carry (such as leptospirosis).
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