Summary: The Biden administration has said COVID-19 vaccine boosters may be available to eligible groups a week from now. But that timing is uncertain and scientific advisory committees still need to meet in the next several days. Lisa Desjardins spoke with CDC Director Dr. Rochelle Walensky about the status of boosters and the spread of the virus as part of a special forum hosted by Research America. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
