The earlier post on this is here:
Wall Street Journal reporting it now, with a little more detail if you are interested:
FDA Moving Towards Decision Authorizing Booster Shot for Immunocompromised
Agency could authorize the booster to bolster the virus-fighting defenses of people who have a weaker antibody response to the typical Covid-19 vaccine dose
- agency could make a decision as early as Thursday and probably by Friday, one of the people said.
Journal may be gated.