Summary: 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 co-host of the weekly clinical updates in the podcast <a href="https://www.microbe.tv/twiv/">This Week in Virology</a>, talks about some of the latest COVID-19 developments, including the FDA's authorization of a 4th shot for those age 50+ and the uptick in the omicron subvariant cases.
