a dalmation
Yes and any mammal can transmit it to another mammals (including humans) by bitting it.
by bitting the dog
Most likely he has flees and you should get special flee shampoo or take him to a vet if that doesn't work and ask what to use.
fido was his name. he died not long after Lincoln was assassinated.
When you get bitten by a Jack Russel it is the same as any other dog bitting you.
Probably a dog,or cat.
Dog
The dog is uncomfortable around humans still, maybe. Most dogs are like that.
Chinese chin dog
There are many ways to go about this issue but personally I would teach your dog a very strong "Leave It".If you are persistent (and have tasty enough treats) this will work very nicely.
Only if said dog or cat has turned them on. In most peoples case No.
It is not known what dog poop constitute of. However, dog poop, animals or humans poop usually constitute of what they eat like the type of food that eat.