CDC panel lowers age for key vaccine. What older adults should know. USA TODAYPeople 50 and older should get pneumococcal vaccine, U.S. health officials recommend The Associated PressCDC vaccine advisers recommend second COVID vaccine dose for seniors, immune-compromised University of Minnesota Twin CitiesACIP Backs Extra COVID Vax Dose for Seniors, Pneumococcal Vax for Adults 50 and Up Medpage TodayUS CDC advisers recommend expanding pneumococcal vaccine to adults aged 50-64 Reuters