Smallpox Vaccine Side Effects

Many people may have heard of the smallpox vaccine, which can help prevent the virus. Although this vaccine has proven effective in the past, there are some side effects to be aware of. These reactions are usually not serious and may include a sore arm, fever, or body aches. However, there are serious side effects for some people, including those who have weak immune systems. This includes people who are HIV-positive, organ transplant recipients, or have had cancer.

It is important to get smallpox vaccine at the right age

The smallpox vaccine is still the best option for children. The smallpox virus can infect other parts of the body, so it is important to receive vaccinations for these reasons. Some people who have not received smallpox vaccination may develop serious complications after being vaccinated. This is why it is important to receive the vaccine at the right age. The disease can lead to serious complications, and this vaccine is highly recommended.


Live virus vaccines are safe for most people. Although they cause a rash and head and body aches, the risk is low. Certain groups of people may develop serious complications from the vaccinia virus. Read the information on this page to learn about possible side effects. If you or someone in your family has a history of the disease, you may want to consider taking this vaccine.