Never an issue and probably cross contaminate inadvertently. Use the same cloth I wash my dishes with as my dogs and no issues, mind you I use antibacterial dish soap, I wash my hands before I touch dry towel and I use sep. towel to dry my hands when prepping his food vs. any other kitchen prep, chores...I never use any towel to dry dishes, air dry. And I rinse in very hot water.
My hands are RAW, but my gut is fine...lol
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion. - Unknown