Measles is a highly contagious infectious airborne disease that can be deadly for the very young and immunocompromised. In 2000 the Centers for Disease Control officially declared the disease eradicated among the U.S. population. However, the disease has made a frightening comeback recently, with 2019 being the most notable: in just the past 4 months, he United States has seen the largest outbreak of measles in a quarter century, with the CDC reporting 704 individual cases so far this year across 22 states. Maps of emerging cases is a critical tool in tracking the outbreak. This is a serious situation and one that will likely get worse before it gets better. Learn more at the CDC’s site here.