A nurse or other trained health professional will give you this vaccine. This vaccine is given by using a needle to poke or jab the skin on your upper arm .
You may need a booster dose of this vaccine every three years to maintain protection against smallpox. Ask your doctor if you will need another dose of this vaccine .
This vaccine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions .