PBS NewsHour

More states lift mask requirements, sparking concerns

At least seven states announced this week they will lift mask mandates for schools, but some public health experts and parents are concerned those decisions are being made too quickly without clear metrics for doing so. Dr. Mercedes Carnethon, a professor of epidemiology, pulmonary and critical care at Northwestern University Feinberg School of Medicine, joins Amna Nawaz to discuss.

More states lift mask requirements, sparking concerns

7m 37s

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