This is a map of countries affected by the 2014-2015 Ebola epidemic in West Africa. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

One image shows a handful of pilgrims circling the granite Kaaba at Mecca's Grand Mosque - a sacred site usually thronged with worshippers from every corner of the Muslim world.

Geographic areas experiencing the highest burden of opioid use disorder are also experiencing higher rates of Hepatitis C. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...