Measles cases surpass 900 in US as infections confirmed in 29 states, CDC data shows ABC NewsWeekly measles cases hit new record amid worst outbreak since 1990s CBS NewsMeasles jumps borders in North America with outbreaks in Canada, Mexico and US AP NewsThe Dangerous Decline in Vaccination Rates WIRED'This should not be happening,' doctor says as measles cases rise to more than 900 in U.S. upi.com
