Collection of Blood Samples From SMART Study Participants for Future Genetic Studies The purpose of this study is to collect blood samples from SMART study participants to use in future genetic studies.

• Country American Samoa, Australia, Belgium, Canada, Chile, Denmark, Finland, Gambia, Germany, Japan, Morocco, New Zealand, Poland, Portugal, United States, Uruguay
• organs None
• Specialty None

Phase III, double-blind, randomised, placebo-controlled trial to evaluate efficacy against radiological pneumonia and invasive pneumococcal disease in Gambian infants Not provided at time of registration

• Country Gambia
• organs None
• Specialty None

Alternative vaccination schedules with pneumococcal polysaccharide/protein conjugate vaccine: immunogenicity of the prime-booster approach among Gambian infants Not provided at time of registration

• Country Gambia
• organs None
• Specialty None

A strategy to immunize young infants against measles Not provided at time of registration

• Country Gambia
• organs None
• Specialty None

Screening-homes to prevent malaria Not provided at time of registration

• Country Gambia
• organs None
• Specialty None

Therapeutic vaccination for chronic hepatitis B virus infection in Africa Not provided at time of registration

• Country Gambia
• organs None
• Specialty None

Multimedia informed consent trial

• Country Gambia
• organs None
• Specialty None

Optimisation of vitamin A dosing schedules in infancy Not provided at time of registration

• Country Gambia
• organs None
• Specialty None