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This study tested a new 23-valent pneumococcal polysaccharide vaccine in 144 healthy volunteers aged 2 years and older. Participants received one dose of either the experimental vaccine or a control vaccine. The main goal was to check safety and measure the immune response. The t…

This study tested a new flu vaccine in 2,772 healthy children aged 6 to 35 months. The children received two doses of either the experimental vaccine or a control vaccine, 28 days apart. Researchers checked for side effects and measured the immune response through blood tests. Th…

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 schedules (Essen or Zagreb). Researchers monitored for side effects for up to 6 months. The goal was to see if the vaccine is safe…

This study checked the safety of a quadrivalent (four-strain) flu vaccine in over 42,000 healthy people aged 3 and older. Researchers monitored for rare side effects within 30 minutes, 7 days, and 28 days after vaccination. The goal was to confirm the vaccine is safe for widespre…