The Delta variant is estimated to make up about 94% of cases in the U.S. Dr. Ashish Jha joins "CBS This Morning" to discuss COVID concerns as children head back to school.

Each weekday morning, "CBS This Morning" co-hosts Gayle King, Anthony Mason and Tony Dokoupil deliver two hours of original reporting, breaking news and top-level newsmaker interviews in an engaging and informative format that challenges the norm in network morning news programs.

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