The American Civil Liberties Union has refused to provide legal help to four families from a faith-healing congregation who want to stop the city from forcing their children to have measles vaccinations.

Philadelphia officials are taking the families to court to force the shots because a measles outbreak last month killed four children from the Faith Tabernacle Congregation.More than 700 measles cases have been reported in the city this year and a five children have died of complications related to the disease.