Measles Makes a Comeback in the Americas: What's Going Wrong?
The Americas might soon lose its measles-free status. This is because cases are popping up in Canada, Mexico, and the U. S. The Pan American Health Organization (PAHO) is worried. To keep the measles-free title, these countries must have zero cases within a year. But time is running out. Vaccination rates are dropping. This is the main reason for the measles comebac...