Adverse events temporally associated with vaccines--1992 report.

The postmarketing surveillance of medical events following the receipt of vaccines permits: (1) identification of infrequent adverse events that may be caused by vaccines, (2) estimation of rates of occurrence of more serious post-immunization events by type of vaccine, (3) monitoring of unusually high rates of adverse events, (4) raising of health care providers’ awareness to the risks and/or safety measures in administering vaccines, and (5) identification of areas that require immediate epidemiologic investigation or further research.