Some latest news of today from the  Sunday New York Times : What about the latest advice on booster shots? One thing is generally known:  these vaccines all protect you from dying.  But there remains a lot of confusion. First, no doubt these vaccines all lose effectiveness over time.   But how much?  A lot of conflicting info. Pfizer's vaccine drops from 96% to 84% after four months, but a third shot could bring effectiveness up to 95%.  No mention yet of how this figure drops at eight months. The panel advising the U.S. Food and Drug Administration recommended booster shots, and it's as clear as muddy water: For healthcare workers and those who are 65 and older, or at high risk of severe illness from infection, yes, you're eligible. For some reason, they specifically indicated those 16-64 not be given a booster shot.  What then about those 12 to 15? Moderna individuals will need to wait, but can they get the Pfizer as the third shot? No decision about a second Johnson&