Does Measles Protection from the MMR Vaccine Wane Over Time?
Measles protection from the MMR vaccine is not thought to wane over time.
exogenous boosting
Why Are Vaccine Schedules Different in Each Country?
How do vaccine schedules in other countries compare to the number and timing of vaccines given on the United States schedule?
Why Are Vaccinated Australians Now Catching Measles?
More vaccinated Australians are catching measles because there is more measles in Australia.