Measles Makes a Comeback: What Went Wrong in Canada?
Canada is back to square one in its fight against measles. After successfully eliminating the virus in 1998, the country has now lost its measles-free status. This means the virus is spreading on its own again, not just popping up from travelers. Experts from the Pan American Health Organization (PAHO) made this call after looking at the data. They found that measle...