Nature: Measles by the numbers: A race to eradication
“…Measles debate has reached fever pitch in the United States after an outbreak that began in December at Disneyland in southern California. … However, the bigger problem lies elsewhere. The United States was declared free of measles in 2000, and all outbreaks since then have been sparked by imported cases, which will continue to occur until measles is eradicated worldwide…” (Butler, 2/11).