Is getting a vaccination safe?

Yes. In general, vaccinations are extremely safe. In fact, in the long run, it is safer to get vaccinated and be protected from the disease than almost any theoretical risk of vaccination. If you have a serious immunodeficiency disease, you may want to avoid certain live virus vaccines.
Yes. All the routine vaccinations approved for use in the U.S. For children and adults are safe. However, people with immune system disorders, people on immuno-suppressant medications, pregnant women, people with certain severe allergies, etc..., should not get some of the vaccines. Age limits for some vaccines apply.
Yes It Is SAFE. Not only it is safe and not getting vaccinated is unsafe as you are susceptible to all the preventable Infctious Diseases which can ba fatal.