Thu Mar 23 Singapore’s Health Sciences Authority Approves Pfizer’s Pneumococcal 20-Valent Conjugate Vaccine For Adults 18 Years Or Older Written by The Bulletin First pneumococcal conjugate vaccine that protects against 20 serotypes responsible for the majority of invasive pneumococcal disease and pneumonia[1],[2],[3],[4],[5],[6],[7]. Read more: Singapore’s Health Sciences Authority Approves Pfizer’s Pneumococcal 20-Valent Conjugate Vaccine...