Measles outbreaks across Texas and New Mexico have sickened nearly 100 people, with more cases expected, according to state health officials. The disease has spread through the South Plains region of Texas since late January,

Measles is a highly contagious disease. Here's what you should know about how to protect yourself against measles, as well as what's happening in Texas and New Mexico.

This is the tip of the iceberg,” said Rekha Lakshmanan, chief strategy officer for The Immunization Partnership in Houston, a nonprofit that advocates for vaccine access. “I think this is going to get a lot worse before it gets better.