The 2018 flu season is expected to become the worst in nearly a decade. With children dying and adults over the age of 54 checking into the ER at unusually high rates in 48 states, now is the time to remind your friends and family to get their flu shot. (No, it’s not too late). How can you know if they haven’t already? A new study from InsuranceQuotes on the hospital check-in behaviors of Americans will give you an idea. Even though the flu shot is weaker against this year’s H3N2 strain, getting it can still serve as extra defense.