Inside Science: According to the Centers for Disease Control and Prevention, influenza continues to be widespread in 38 states. Since this season's severe epidemic started earlier than expected, many people who wanted to get a vaccination may not have received one before the outbreak began.
According to research done at Arizona State University in Tempe, there are hints that climate change may be a factor in the flu season's early timing.
Using data going back to 1997, Sherry Towers and her colleagues found...