Americans could start getting doses of new COVID shots as early as next week. The government says the boosters to fight omicron are key to protecting against severe illness this winter. But questions remain over how effective these shots will be. Dr. Céline Gounder, an infectious disease specialist and epidemiologist at NYU's Grossman School Of Medicine, joined Geoff Bennett to discuss. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: / newshour Instagram: / newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe