123
Participants
Start Date
October 18, 2017
Primary Completion Date
November 7, 2022
Study Completion Date
November 6, 2023
PCV13
Intramuscular injection of 13-valent pneumococcal conjugate vaccine once
PPV23
Intramuscular injection of 23-valent pneumococcal polysaccharide vaccine once
Center of Infectious Diseases and Infection Control, Jena University Hospital, Jena
Jena University Hospital
OTHER