but voting no to boosters for people who have jobs that put them at high risk, front line workers, teachers among them. dr. jha standing by to break all of this down, what you need to know. how soon this begins. but first, abc's whit johnson tonight on the cdc decisions that came down late today. >> reporter: tonight, that decision from the cdc paving the way for millions more americans to start getting booster shots. >> yes, this motion passed. >> reporter: an advisory panel voting to recommend a third pfizer shot six months after a second dose to people 65 and older, long-term care residents, people 18 and older with medical conditions putting them at risk. but where the panel said no was on this question -- should there be a booster shot for people whose jobs put them at high risk of infection? like teachers, day care staff, grocery and health care workers. >> i think the health care workers are critical and cannot be forgotten. >> reporter: the panel voting 9-6 against giving those