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.
Immunization Issues
Community Immunity
Unimmunized persons are protected—indirectly—against some infectious diseases by being surrounded by immunized persons. This is known as community (or “herd”) immunity. Why is community immunity important for public health?
Immunization Science
Impact of Rotavirus Vaccine in Gastroenteritis Hospitalizations
This study describes the reduction in acute gastroenteritis hospitalizations among children after introduction of rotavirus vaccine in the United States.
News
Updates
Recovery of a Patient from Clinical Rabies — California, 2011
Posted: Feb 3, 2012
Adult Vaccination Coverage — United States, 2010
Posted: Feb 3, 2012
News Briefs
Meningitis Vaccine Shortage Hitting Health Departments, Local Clinics
NewsWest 9 (Texas)
Published: Dic 29, 2011