NatureNews, a REAL Science web site not to be confused with the non-science NaturalNews, has a recently posted a special collection of scholarly pieces concerning vaccinations:
"Vaccines are responsible for some of the world's greatest public health triumphs. In the past decade, vaccines against leading killer diseases have been introduced, and more are on the way. But funding is tight, and unfounded doubts about the safety of vaccines persist. Nature explores the social and scientific challenges facing this key weapon in the twenty-first century's medical armoury."