In this weekend health update, Fred Bodimer highlights the rising concerns surrounding health during the holiday season. With COVID-19 cases on the rise and the surge in influenza, infectious disease expert Dr. William Schaffner emphasizes the contagiousness of the latest strain but reassures about the vaccine's protective efficacy. Meanwhile, CBS News correspondent Christian Benna Vitis explores the health benefits of traditional Christmas dinner side dishes, including their potential to combat chronic conditions