Последние добавленные видео:
polio-vaccine
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9 years ago
128773 9 years ago 10:56Polio vaccinations | Infectious diseases | NCLEX-RN | Khan Academy
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6 months ago
629408 6 months ago 6:35The real reason polio is so dangerous
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5 years ago
17104 5 years ago 1:36The Polio Vaccine
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2 years ago
14316 2 years ago 2:54Did You Know: The History of the Polio Vaccine | Encyclopaedia Britannica
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5 years ago
253375 5 years ago 7:10Conquering the polio epidemic
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2 months ago
411277 2 months ago 14:44Dr. Suzanne Humphries Explains What Actually Happened to Polio
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2 years ago
95897 2 years ago 1:20What you need to know about polio
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7 years ago
83210 7 years ago 2:00WHO: Vaccine-derived polioviruses
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4 years ago
234235 4 years ago 12:38What Happened After Polio Vaccine Was Developed
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5 months ago
6515 5 months ago 3:48Medical expert explains history of the polio vaccine
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5 months ago
21849 5 months ago 3:30RFK Jr. says he is 'all for the polio vaccine'
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4 years ago
28592 4 years ago 1:53Elvis Presley Gets The Polio Vaccine On The Ed Sullivan Show
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3 years ago
162248 3 years ago 1:37If Only Facebook Had Existed During The Polio Vaccine Rollout
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2 years ago
41805 2 years ago 2:15How the Polio Vaccine (IPV and OPV) Works
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4 years ago
57853 4 years ago 1:18Elvis Presley Got the Polio Vaccine on TV to Boost Confidence
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2 years ago
13658 2 years ago 1:02Does my child need the polio vaccine? | NHS
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6 years ago
7073 6 years ago 2:40All about Latest Polio Vaccination Scare ! - Dr. Surekha Tiwari
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15 years ago
9230 15 years ago 2:21Viruses and Journalism: Poliovirus expressing HIV epitopes
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5 years ago
644 5 years ago 2:00Polio (Poliomyelitis) disease | Polio vaccine | OPV & IPV.