A measles outbreak, the worst in over two decades, is sweeping the US, with Texas as the epicenter. Over 1,000 cases have been confirmed across 31 states, resulting in three deaths. Health officials are concerned about declining vaccination rates and the potential loss of the nation's measles elimination status,

The best way to avoid measles is to get the measles, mumps and rubella (MMR) vaccine. The first shot is recommended for children between 12 and 15 months old and the second between 4 and 6 years old.

New Jersey health officials have issued a public warning about a passenger infected with measles who traveled through Newark Liberty International