U.S., Oct. 15 -- ClinicalTrials.gov registry received information related to the study (NCT07216430) titled 'Safety and Efficacy of wSp Vaccine in Young Children' on Sept. 25.

Brief Summary: The goal of this clinical trial is to evaluate whether the wSp vaccine can prevent nasopharyngeal colonization by pneumococcal bacteria in healthy young children who have received routine PCV20 vaccination.

The main questions it aims to answer are:

Does wSp vaccine reduce pneumococcal colonization in the nose? Does wSp vaccine safely stimulate the immune system to produce antibodies and protective immune responses?

Researchers will compare children receiving two injections of wSp vaccine to those receiving saline placebo to see if wSp vaccine reduce...