As authorities began imposing mandatory school vaccination requirements, an anti-vaccination movement developed across the country. Those who argued against vaccination questioned the effectiveness of the vaccines and claimed they would transmit other diseases. They also raised religious and political objections to governmental overreach. Further, 781 people were reported to have died following hepatitis b vaccination, and this is likely an underestimate because only a fraction of the serious health problems, including deaths, following vaccination are ever acknowledged. This serious underreporting is due to an unwillingness of many doctors and vaccine providers to report vaccine-related injuries and deaths and also due to a lack of public awareness about how to recognize signs and symptoms of vaccine reactions.
Source: Academic Search Complete
Vaccines and Children 