The weather is not freezing but that doesn’t mean the flu isn’t around. It’s easy to be misled about influenza or the cold (or the difference between them) with so many “wisdom gems” out there. There is a good chance some of the information you have heard may be wrong. Approximately 22 million school days are lost each year in the U.S. due to the illness, according to the CDC. Influenza activity often begins to increase in October and November, according to the CDC. It’s already time to get ready.