Measles is not often seen in the United States, but Americans are growing more concerned about the preventable virus as cases continue to rise in rural West Texas.

Measles cases are popping up across the United States, including an outbreak in Texas that has led to the death of a child.

Also a resident of Lea County in New Mexico has also died from the illness

The growing measles outbreak in the U.S. Southwest claimed a second life this week. So far this year, more than 220 cases have been reported across 12 states, with the majority in Texas. John Yang speaks with infectious disease epidemiologist Jessica Malaty Rivera to learn more about the outbreak and how it differs from previous ones in recent years.