The National Network for Immunization Information (NNii) provides up-to-date, science-based information to healthcare professionals, the media, and the public: everyone who needs to know the facts about vaccines and immunization.
Vaccine Safety
BSE Transmission and Vaccines
The Food and Drug Administration Center for Biologics Evaluation and Research (CBER) conducted a careful review of the science relating to risk of bovine spongiform encephalopathy (BSE) transmission through use of vaccines.
Thimerosal-Mercury
Mercury in Vaccines
This article answers the most frequently asked questions about thimerosal and its use as a preservative in vaccines.
News
Updates
Early Estimates of Seasonal Influenza Vaccine Effectiveness — United States, January 2013
Posted: Jan 18, 2013
Mumps Outbreak on a University Campus — California, 2011
Posted: Dec 10, 2012
News Briefs
FDA Approves New Seasonal Influenza Vaccine Made Using Novel Technology
FDA News Release
Published: Jan 16, 2013