* Health and Medical News:'Hope' and 'Courage' as Liberia Declared Free of Ebola

Liberia is free of Ebola after going 42 days without any new cases, the World Health Organization (WHO) announced Saturday.









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via Health and Medical NewsHealth and Medical News Pfizer Inc has already had its takeover overtures rebuffed three times by rival AstraZeneca Plc, but investors in the U.S. drugmaker say it can tolerate a little more rejection before going hostile with the deal. AstraZeneca turned down a sweeten...