Symptoms persist anywhere from 2 days to 4 weeks and include skin lesions, blisters, itching, fatigue, joint pain and fever.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#e</ref> | Symptoms persist anywhere from 2 days to 4 weeks and include skin lesions, blisters, itching, fatigue, joint pain and fever.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#e</ref> |