Unless the animal contact (bite, scratches etc) are due to unprovoked actions and the animal acts strange(like agressive, listless etc) at time of bite. Normally rabies vaccine are not recommended for squirel contact. Feeding and petting are also considered as provoked action. Rabies vaccine are dispensed via local health department( toronto public health for city of toronto; york region health services for markham, richmond etc). The ordering of such vaccine can only be via doctor's request, either your family doctor, doctors from walk-in or emergency. Judging from your case, rabies vaccine deem not necessary. What you need is just cleansed the wound with water and soap? Also its a domestic pet, tetanus shot deem not necessary too. Of course, if you are still extremely worry, seek medical attetnion and the doctor will have the final say, he/she may or may not give u the vaccine.