Brown rats are cute but they are said to be carriers?

Update: I saw a brown rat near a pond the other day, and it looked cute, but it's supposed to be the carrier.
Update 2: I mean, the carrier is actually the vine leaf and the fungi, but the brown rats should be vaccined against the rat prion.
Update 3: We should as well.
Update 4: Well, that's just your opinion. They may not be as cute as mice, but still they are not ugly.
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