In 2015, there was an outbreak of polio (measles) in Disney there was a lot of people which makes it easier to spread the virus and start an outbreak. I believe that the worlds scientists are all working diligently to come up with a vaccination to cure polio. Although polio isn’t a major threat to the United States, it is in many other countries. Children are at a higher risk of contracting this virus and need to get the shot between 0 and 5 years of age due to their low immune system.
There are already several very effective vaccines
Grade -1
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