Highly contagious measles virus costing the U.S. millions

In the first two months of this year, there have been more than a thousand confirmed measles cases across the United States. >> Yeah, that's nearly half the amount of cases we had in all of last year, with 94% of people infected being unvaccinated. According to a new report from the Yale School of Public Health, if measles vaccination rates continue to drop just 1% annually for the next 5 years, the financial cost to the US could reach $1.5% billion a year.Joining us now is NBC News medical reporter Erica E ...