i m getting vaccinated. .with pfizer s pneumococcal pneumonia vaccine. so am i. because i m at risk for pneumococcal pneumonia. i already got a pneumonia vaccine, .but i m asking about the added protection of prevnar 20®. if you re 19 or older with certain chronic conditions. .like asthma, diabetes, copd, or heart disease,. .or are 65 or older, you are at increased. .risk for pneumococcal pneumonia. prevnar 20® is approved in adults. .to help prevent infections from 20 strains of the bacteria. .that cause pneumococcal pneumonia. in just one dose. don t get prevnar 20® if you ve had a severe. .allergic reaction to the vaccine or its ingredients. adults with weakened immune systems. . may have a lower response to the vaccine. the most common side effects were pain and swelling at the injection site,. . muscle pain, fatigue, headache, and joint pain. i want to be able to keep my plans. i don t want to risk ending up in the hospital with pneumococcal pneumonia. that s why i ch