NPR's Ailsa Chang speaks with Dr. Christina Bergin, a hospitalist in Phoenix, Ariz. Dr. Bergin is urging the governor to require masks in schools after her child was exposed to COVID-19.
NPR's Ailsa Chang speaks with Dr. Christina Bergin, a hospitalist in Phoenix, Ariz. Dr. Bergin is urging the governor to require masks in schools after her child was exposed to COVID-19.
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