
Polio: 99.9% Defeated. What Will It Take to End It for Good?
Jan 16, 2026 - 05:40
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Are vaccines safe? What's actually in them? In this 2-part episode of Science in 5, WHO's Dr. Kate O'Brien breaks down how vaccines are tested, approved, and monitored even after they reach the public. She also explains...
Vaccine safety explained: What the science actually says is an episode from Science in 5 by WHO - World Health Organization. Are vaccines safe? What's actually in them? In this 2-part episode of Science in 5, WHO's Dr. Kate O'Brien breaks d...
This episode belongs to Science in 5.
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Published May 1, 2025, 05:42 long, audio available.