From the CDC-"measles was declared eliminated in the United States in 2000, measles cases and outbreaks continue to occur in the United States due to unvaccinated international travelers. Large measles outbreaks are possible when travel-related measles cases reach at-risk U.S. populations with low immunization against measles. In 2019, the U.S. nearly lost its elimination status with almost 1,300 measles cases from a large outbreak in New York and cases in 30 additional states."
And this- the top 10 Outbreaks- Bangladesh 42,174
India 26,607
Yemen 14,521
Mexico 12,495
Pakistan 11,037
Cameroon 9,653
Kazakhstan 7,730
Guatemala 6,832
Angola 6,815
Sudan 5,766
Less than 150,000 cases plus out a world population of 8 billion is .00002% of the population. What is the risk/benefit of continuing vaccination when the strain spreading is the strain of the vaccine? If you stop introducing the measles strain, the measles rates drop due to the development of natural immunity. The outbreak is manufactured, either accidentally or intentionally.