AUSTIN, Texas (AP) -- The House has passed a bill requiring youngsters' registration in a state immunization registry, unless parents elect not to participate. The current system lets parents opt-into ...

After poliovirus was found in wastewater in three New York counties, some people have tried to verify that they've gotten all the recommended shots. Most Americans were vaccinated in early childhood.

The immunization registry is a tested and standard tool that provides critical information on vaccinations for use in monitoring immunization programs, guiding public health action, and keeping ...