Nearly two months into the ongoing Texas measles outbreak, it and New Mexico are reporting growing case counts across several counties in their states.

Measles outbreaks in West Texas and New Mexico are now up to nearly 320 cases, and two unvaccinated people have died from measles-related causes. Measles is caused by a highly contagious virus that's airborne and spreads easily when an infected person breathes,

By Bhanvi Satija and Christy Santhosh (Reuters) -Measles cases in Texas and New Mexico rose to 317 on Tuesday from 294 four days ago, as the U.S. battles one of the largest measles outbreaks in the past decade.