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Facts about chickenpox vaccine

According to the Centers for Disease Control and Prevention, most people who get vaccinated for chickenpox won't develop the itchy, uncomfortable, blistering illness. If they do, it will likely be a mild case, with fewer blisters and a faster recovery, the CDC says. The vaccine is usually given in two doses, with the first between 12-15 months old and the second between 4-6 years old.

Although complications can arise from any vaccine, risks associated with the chickenpox vaccine are "extremely small," the CDC says. "Getting chickenpox vaccine is much safer than getting chickenpox disease."