April 10, 2014 5:02 pm Tamiflu Not as Effective for Flu as First Thought A drug widely though to treat and prevent the spread of flu may not be as effective as the government thought when it spent so much money to stockpile the drug. US & World Videos 3:04 PurpleStride event in Philly raises money for those battling pancreatic cancer 3:27 ‘Take a Breather' and run to help battle against cystic fibrosis 1:49 How much time do you spend on your phone each week? Keith Jones, Erin Coleman talk screen time 2:52 Join the fight for ovarian cancer treatment and research at the Sandy Sprint 3:13 Movement, memory and Parkinson's awareness