depends on what country you go to
It depends on specifics about you and where you go. The CDC has a good website. See the link below.
Dog vaccines normally offer protection from Distemper, Hepatitis, Parvovirus, Parainfluenza and Leptospirosis. Vaccines can also be given against Kennel Cough and Rabies.
It depends on which vaccine you are receiving.
Cosmonauts
Chickenpox vaccine is subcutaneous; it's given with a smaller needle than most vaccines.
Pulse Polio vaccines are given to children of 1-5 age.
People are given vaccines so that they are protected from certain illnesses.
No, vaccines are not injected into the skin. Most vaccines are administered through injection into the muscle or subcutaneous tissue (under the skin). Some vaccines are also given orally or nasally.
If the vaccines are supposed to be kept refrigerated until use, they are worthless if they are no longer cold.
the back or the bottom
There are a few vaccines that may be required before your travel to Chile. Most travelers will be required to have a Hepatitis A Vaccine and a Typhoid vaccine.
Yes to protect them from getting sick!