CAPACITY, INCLUDING NAIL SALONS AND OTHER PERSONAL CARE SERVICES. >>> WE MAY BE ON THE BRINK OF LEARNING WHO WILL GET THE FIRST DOSES OF THE VACCINE. THE CDC ADVISORY COMMITTEE IS CALLING AN EMERGENCY MEETING TO TALK ABOUT THAT. >> Reporter: THE WORLD WAITS FOR THE ULTIMATE WEAPON TO BATTLE THE PANDEMIC TO OFFICIALLY ARRIVE. >> WE NOW HAVE THREE VACCINES THAT APPEAR EFFECTIVE AND SAFE. THAT IS A HEROIC ACCOMPLISHMENT. >> Reporter: THE COMMITTEE ON VACCINES HAS NOW CALLED A MEETING FOR TUESDAY DECEMBER 1ST. THEY WILL VOTE ON RECOMMENDATIONS FOR WHO COULD BE THE FIRST GROUPS OF PEOPLE TO GET THE VACCINE. >> THE CDC IS MOVING FORWARD AND BEING PROACTIVE AND HAVING SOME OF THOSE DISCUSSIONS BEFORE THE VACCINE IS FINISHED BEING AUTHORIZED. >> Reporter: WHEN THE VACCINE GETS AUTHORIZATION FROM THE FDA DRAFT RECOMMENDATIONS SUGGEST HEALTHCARE WORKERS SHOULD BE AMONG THE FIRST. ALSO PEOPLE MOST LIKELY TO CATCH, SPREAD AND DEVELOP SEVERE DISEASE FROM THE VIRUS, SUCH AS NURSING HOME RESIDENTS. >> THEY WILL HAVE TO MAKE A DECISION ON THE VACCINE THAT IS AUTHORIZED. IT MIGHT BE DECEMBER 12TH OR 13TH BEFORE THOSE FIRST PEOPLE RECEIVED A VACCINE. >> Reporter: AND WITH THE LAUNCH OF THE VACCINE SOME BUSINESS OWNERS ARE CONSIDERING MAKING IT MANDATORY FOR EMPLOYEES TO GET ONE. >> MY JOB IS TO PROVIDE A SAFE