Religious exemptions can no longer be applied when it comes to giving vaccines to children in New York.
Lawmakers in the state have voted to eliminate the exemptions for schools.
It comes as New York one of its worst outbreak of measles.
According to health authorities, more than 1,000 Americans have been diagnosed with measles this year.

At least 73 injured after Houthi rebels attack Saudi civilian and energy facilities
Nepal rescue focused on workers trapped in three tunnels
Indonesia reopens Jakarta airport, four others after Anak Krakatau ash clears
Russia hits Kyiv after brief pause for US envoys' visit, killing two
Kenya offers temporary amnesty to undocumented East Africans amid crackdown fears
7 Indonesian airports remain shut due to volcanic ash from Anak Krakatau
Bolivia confirms 9 deaths after military base explosion
Israeli strikes on southern Lebanese town kill 11, state news agency says
