A trial to evaluate the safety and immunogenicity of a 20-valent pneumococcal conjugate vaccine in populations of adults ≥65 years of age with different prior pneumococcal vaccination
Kevin Cannon, Charles Elder, Mariano Young, Daniel A. Scott, Ingrid L. Scully, Gary Baugher, Yahong Peng, Kathrin U. Jansen, William C. Gruber, Wendy Watson
Abstract