As far as I know my dogs have no deseases, no worms, etc. They have annual check ups. When my dogs poop I pick it up, that's the best I can do, or I am going to do. If that's not sanitary enough for you, tough. Sorry about your MIL but really your going to blame that on dogs.
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Vets only check for a limited number of parasites, vaccinate for a limited number of diseases. There is no way of knowing what else the dog may be carrying. It is up to each individual to determine how much exposure to their own or other people's dogs wastes they want to tolerate. The OP and I and others simply are asking that people dont allow their dogs to do their dumps on others people's sites.
I dont know where you got the idea that I thought my MIL infection was caused by a dog, she doesnt have a dog. Her physician says there is a higher rate of infection in the elderly that live in retirement communities like hers. And it is a combination of factors but primarily poor hygiene.
