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,

Measles can lead to pneumonia, encephalitis and serious complications for those who are pregnant, including miscarriage, premature birth or low birth weight, officials said.

Health officials in New Jersey have issued a warning to anyone who attended the Shakira concert at MetLife Stadium in East Rutherford on May 15 after an individual was found to have been infected with...