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 CitiesCDC Panel Favors Wider Use of Pfizer, Merck Pneumococcal Shots (PFE, MRK) BloombergUS CDC advisers recommend expanding pneumococcal vaccine to adults aged 50-64 Reuters