This past December at Â鶹ӰԺ in California a person with measles infected several other visitors. So far, there have been 67 cases of measles across the United States related to this exposure. And, according to recent media reports, officials in Arizona are tracking more than 1,000 people who may have been exposed to measles as part of the outbreak. There have been no recent reported cases on campus of measles, or people exposed to the recent California outbreak.