Dr. Jeffrey Kopin, Chief Medical Officer for Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, joins John Williams to talk about why you should go for a brief walk after having your Thanksgiving meal, why he suggests getting a COVID shot and a flu shot in separate arms, Pfizer’s mRNA flu shot outperforming the standard flu vaccine in a late-stage trial, and the efficacy and safety of the COVID vaccine. Dr. Kopin also answers all of your medical questions.