The Independent Monitoring Board (IMB), which monitors the Global Polio Eradication Initiative (GPEI) is calling on the International Health Regulations Expert Review Committee to recommend by May 2013 that polio vaccination be required before travel for residents of polio-endemic countries. The IMB's November report says countries should require travelers from Afghanistan, Nigeria, and Pakistan to present valid polio vaccination certificates before allowing them to cross the border. "Some will see this as [an] extreme move, but it is necessary," says the report.

To read the full IMB November 2012 report go to http://bit.ly/PolioHL12-49eng