In what u. s. state did a county controversially ban unvaccinated children from public spaces in the midst of an ongoing measles outbreak?

In the New York state, the Rockland County controversially denounced non vaccinated children from public places.

Explanation:

The Rockland Countrzy in New York took the drastic step of prohibiting unvaccinated children from moving into any public place in the midst of a measles outbreak.  

Edwin Day, the executive of Rockland County declared about the ban till 25th April unless the children are recovered completely. The parents of any unvaccinated child were charged a fine of 500 dollars according to the county. This step of the county was taken in order to spread awareness about the importance of vaccination.