This ‘super flu’ could cause widespread serious illness, experts say Northeastern Global NewsNew Variant Raises Concerns of Another Bad Flu Season The New York TimesHow long is flu contagious? What to know as influenza spreads ahead of holidays NBC 5 ChicagoDoctors warn of severe flu season as U.S. records 1,900 deaths, including three children WOAIWhy Is This Year’s Flu Season So Bad? People.com
