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This early-stage trial tested a new 23-valent pneumococcal polysaccharide vaccine in 144 healthy people aged 2 and older. Participants received one dose of either the experimental or a control vaccine. The study checked for side effects and measured immune response through blood …

This study tested a new flu vaccine in 2,772 healthy children aged 6 to 35 months. The vaccine was given as two shots, 28 days apart, and researchers checked for side effects and how well it boosted immunity. The goal was to see if the vaccine is safe and helps protect young chil…

This study tested the safety of a new rabies vaccine in 80 healthy people aged 10 to 60. Participants received the vaccine using one of two different dosing schedules. Researchers monitored for side effects for up to 6 months. The goal was to see if the vaccine is safe enough for…