Measles is caused by a highly contagious virus that’s airborne and spreads easily when an infected person breathes, sneezes ...

As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its original epicenter of West Texas may be subsiding as hesitant residents become more concerned and willing ...

Health officials in Arizona say there are four linked measles cases in Navajo County, marking the state's first outbreak this ...