Home > Geriatrics > Seasonal Flu Complications for Senior Citizens Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Dec 01, 2010 by Cleveland Clinic, Views: 2625 Older adults and people with chronic diseases are at the greatest risk of problems associated with seasonal flu. And the ongoing H1N1 pandemic doubles the risk of getting sick this flu season. Learn how the flu typically leads to other complications in senior citizens including respiratory problems, pneumonia, and heart and lung problems.