Read the white paper online (if it’s to be found).... personally I wouldn’t go near that nor any other “shot” being offered by the medical establishment.
You’ll have to assess your own relative risk of contracting any of the bacterial infections Prevnar is supposed to prevent against the potential harms of the vaccine. The typical treatment for bacterial infections is antibiotics, so your history with antibiotics may also be a factor since immune systems with antibiotic fatigue can become less responsive to them. In that case, a vaccine might be a better option than trying to treat such an infection after the fact.
One consideration that always makes me tilt my head in puzzlement is pharma’s statement for most vaccines that people who have a weak immune system might not be ideal candidates for their vaccine. However, if you have a strong immune system, you can probably fight the infection without a vaccine. It would appear from the vaccine-makers’ own statements that anyone with any kind of immune system shouldn’t take their vaccines.