The new measles rules in Rockland County were announced Tuesday, the day after New York City closed a preschool over non-compliance with measles vaccine requirements.
Both New York City and Rockland are struggling to contain a measles outbreak centered in ultra-Orthodox Jewish neighborhoods while battling lawsuits over their efforts to require vaccinations.
Rockland County Executive Ed Day says the county will order anyone with measles to stay home, among other measures.
New York Citys Board of Health will vote Wednesday on whether to extend last weeks emergency declaration ordering mandatory vaccinations in four Brooklyn ZIP codes.
New York City has confirmed 329 cases of measles since October. Rockland County has confirmed 186 cases.