Today, what to know about covid boosters, the new variant and how to protect those most at risk this fall.As summer comes to a close, many people have started to see a bump in covid-19 cases among their family and friends. A new variant causing an uptick in hospitalizations and other illnesses like the flu and respiratory syncytial virus (RSV) are on the horizon. Health reporter Fenit Nirappil discusses the latest on vaccine recommendations and how to protect ourselves and those most at risk.