The unprecedented increase of life expectancy challenges society to protect the elderly from
morbidity and mortality making vaccination a crucial mean to safeguard this population …

Streptococcus pneumoniae is an infectious pathogen responsible for millions of deaths
worldwide. Diseases caused by this bacterium are classified as pneumococcal diseases …

This report compiles and summarizes all published recommendations from CDC's Advisory
Committee on Immunization Practices (ACIP) for use of pneumococcal vaccines in adults …

On October 20, 2021, the Advisory Committee on Immunization Practices recommended 15-
valent PCV (PCV15) or 20-valent PCV (PCV20) for PCV–naïve adults who are either aged≥ …

Although it varies with age and geographical distribution, the global burden of infection with
Streptococcus pneumoniae (pneumococcus) remains considerable. The elderly, and …

Background: The test-negative design is an increasingly popular approach for estimating
vaccine effectiveness (VE) due to its efficiency. This review aims to examine published test …

Background Following universal recommendation for use of 13-valent pneumococcal
conjugate vaccine (PCV13) in US adults aged≥ 65 years in September 2014, we conducted …

Abstract Background Invasive Pneumococcal Disease (IPD) is a major public health
concern. The effectiveness of 23-valent polysaccharide pneumococcal vaccine (PPV23) …

Introduction: Streptococcus pneumoniae causes mucosal and invasive diseases with high
morbidity and mortality. Introduction of the 7-valent pneumococcal conjugate vaccine …

To clarify year-to-year changes in capsular serotypes, resistance genotypes, and multilocus
sequence types of Streptococcus pneumoniae, we compared isolates collected from …