How Long Should You Quarantine Or Isolate, And What's The Difference?

The CDC recently issued new guidance about how long to isolate following a close COVID contact or positive test. What does the science say, and how should risk factor into our behaviors now? On Today's Show : Daniel Griffin , MD, PhD, infectious disease clinician and researcher at Columbia, ProHEALTH chief of the division of Infectious Disease, senior fellow for Infectious Disease at UHG Research and Development, and president of Parasites Without Borders, discusses the latest on the Omicron surge, isolation, and quarantine protocols.