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CDC director: ‘We do not indicate a preference’ for mix-and-match boosters

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Dr. Rochelle Walensky, director of the CDC, joins TODAY to discuss the agency’s giving the go-ahead to COVID-19 booster shots. “This is good news because we now have a booster plan for all three of our vaccines,” she says. “We do not indicate a preference.” She also addresses whether boosters could be expanded to people over 40 without underlying conditions, and the timetable for young children getting vaccinated.