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"The folks we have in the hospital are unvaccinated," doctor says as COVID cases surge

Health officials from the Centers for Disease Control and Prevention are meeting today to discuss whether COVID-19 vaccine booster shots may be necessary in the future as the Delta variant spreads. CBS News national correspondent David Begnaud reports on toll of the virus in hard-hit Louisiana, and then Dr. William Schaffner of Vanderbilt University joins CBSN's Tanya Rivero with more guidance on the vaccines.
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