A U.S. hospital on Wednesday gave the first infusion of an expensive, controversial new Alzheimer's drug from Biogen before Medicare had even said what it will pay for - and with some doctors upset by its approval last week. #News #Reuters #FDA #Alzheimers #AlzheimersDrug #Biogen Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: / reuters Follow Reuters on Twitter: / reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en