News that the Food and Drug Administration authorized a second booster shot of COVID-19 vaccine (a fourth dose, in other words) for immunocompromised individuals and all Americans over 50 years of age did not receive nearly the same celebratory response as earlier announcements of vaccine availability. The prevailing sense among the public, and probably at least a few healthcare professionals, seems to be that whatever degree of protection they already have will suffice. A new …
Read More









