"The National Vaccine Information Center has received hundreds of reports of injuries and deaths following hepatitis B vaccination. There is a clear pattern to hepatitis B vaccine reaction symptoms, just as there was a clear pattern associated with DPT vaccine reactions. But unlike DPT vaccine, where most symptoms usually occur within a few days of vaccination, hepatitis B vaccine reaction symptoms can take many days or weeks to develop and include: fevers that come and go, open skin lesions and rashes, severe joint pain and head pain, loss of vision, muscle strength and memory and crushing, debilitating fatigue, which leads to chronic disability."