http://emedicine.medscape.com/article/219557-overview http://emedicine.medscape.com/article/219557-overview Medscape Influenza H1N1 virus http://emedicine.medscape.com/article/219557-overview#a6 influenza Influenza http://emedicine.medscape.com/article/219557-overview http://emedicine.medscape.com/article/219557-overview Influenza http://emedicine.medscape.com/article/219557-overview antivirals are working http://emedicine.medscape.com/article/219557-overview highest rates of flu-related mortality Influenza emedicin.medscape.com Influenza http://emedicine.medscape.com/article/219557-overview#a0104