The measles outbreak in Texas has exploded in size to nearly 500 cases. At one day care center in the state, concerns are growing after six young children tested positive for the disease. NBC News' Maya Eaglin has the latest.

The measles outbreak in western Texas has hit 481 cases as 59 newly identified infections were confirmed over the last three days, according to new data published Friday.

The Texas health department on Friday reported 59 new measles cases in three days, bringing the total to 481 in the state, while New Mexico added six more infections, as the disease spreads across the United States.