Cases in Texas and other states are on the rise, but most of the infected were not vaccinated. Here’s what to know about the very contagious disease and how immunity works.

A child who was hospitalized with measles in Texas has died, state health officials said this week. It marks the first death in the state's latest outbreak — the largest such outbreak in close to 30 years — which has left more than 140 people infected.

So, to recap, for the first two to four days, common measles symptoms in adults include: After this initial phase, you’ll get the characteristic measles rash. It’ll usually start at the top of your body, near your hairline and on your cheeks, and then move downward to your chest and trunk and finally outward to your limbs, Dr. Lovins says.

Dr. Roy Benaroch explains how measles can spread, what effects the disease can have on children, and steps parents can take to keep their kids and communities healthy.

"Measles was rare in the United States, but outbreaks are occurring in areas where vaccination rates have fallen," the American Academy of Pediatrics said in a statement. "Most children who get measles are not up to date on recommended vaccines or are not old enough to get measles vaccine."

Six other states including Alaska, Georgia, New Jersey, New Mexico, New York and Rhode Island have also reported measles infections. Three of those states, New Mexico (9 cases), Georgia (3 cases) and New Jersey (3 cases), officially met "outbreak" criteria ...

Alaska, Georgia, New York and Rhode Island have also reported measles cases this year, according to the Centers for Disease Control and Prevention. "This is a measles outbreak that began in a very ...