yes he has been vaccinated outdoor, no park...not sure about any sick dogs....2 years....he was a stray....the inside of his mouth have turned white and he cant hardly walk ....he want eat or drink nothing, i am so worried about him .... i just dont want him to die but i dont have the money ,,,,well look i am sorry to waste your time but i dont have any money to spend on here ...i am just looking for a free remedy that would work....if you know of anywhere online to get that please let me know tracysbiggurl@aol.com