Search Vaccine Reactions Using #MedAlerts: A Powerful #VAERS Database Search Engine hosted by #NVIC.
Introduction: How to Use MedAlerts http://ow.ly/noSF50Dz3bH
NOTE: HHS – Guide to Interpreting VAERS Data http://ow.ly/EQcN50Dz3bG
“Underreporting” is one of the main limitations of passive surveillance systems, including VAERS. The term, underreporting refers to the fact that VAERS receives reports for only a small fraction of actual adverse events.”