achoo ... oh and Freddys last sentence is a little homage to comic 24 "at the vet" :3
You can find comic 24 "at the vet" here: https://www.weasyl.com/submission/456749/simon-and-freddy-24-at-the-vet
You can find this and all the other comics also on the "Simon & Freddy" homepage: http://www.simonandfreddy.com/