Последние добавленные видео:
vaccinations
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10 years ago
3271670 10 years ago 4:36How do vaccines work? - Kelwalin Dhanasarnsombut
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10 years ago
1098265 10 years ago 7:23Why Vaccines Work
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2 months ago
16153 2 months ago 3:43GCSE Biology - Vaccinations | How Vaccines Work
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7 years ago
421519 7 years ago 3:18GCSE Biology Revision "Vaccination"
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7 years ago
298051 7 years ago 2:28How do vaccines work?
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5 years ago
1189830 5 years ago 3:37Vaccines and the Immune Response: How Vaccines Work
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5 years ago
1055813 5 years ago 13:01What I learned from parents who don't vaccinate their kids | Jennifer Reich | TEDxMileHigh
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3 years ago
8585352 3 years ago 7:24What is a Vaccine?
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10 years ago
2994586 10 years ago 9:16The Truth About Anti-Vaccination: A Scientific Look
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6 years ago
17387709 6 years ago 10:56The Side Effects of Vaccines - How High is the Risk?
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9 years ago
128735 9 years ago 10:56Polio vaccinations | Infectious diseases | NCLEX-RN | Khan Academy
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7 years ago
27304827 7 years ago 27:15Vaccines: Last Week Tonight with John Oliver (HBO)
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4 years ago
617557 4 years ago 6:14All Types of Vaccines, How They Work, Animation.
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4 years ago
97019 4 years ago 7:06Vaccines 101: How new vaccines are developed
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11 years ago
64838 11 years ago 2:22Growing number of parents refusing vaccinations
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7 years ago
632785 7 years ago 3:31Why Do We Get Vaccines?
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8 years ago
79910 8 years ago 5:37Introduction to Vaccination: Definition & Immunization – Immunology | Lecturio
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6 years ago
1184389 6 years ago 9:29Antibiotics, Antivirals, and Vaccines