Последние добавленные видео:
vaccinations
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10 years ago
3284487 10 years ago 4:36How do vaccines work? - Kelwalin Dhanasarnsombut
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3 months ago
21129 3 months ago 3:43GCSE Biology - Vaccinations | How Vaccines Work
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10 years ago
1099389 10 years ago 7:23Why Vaccines Work
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4 years ago
351859 4 years ago 5:31Vaccines 101: How vaccines work
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7 years ago
426144 7 years ago 3:18GCSE Biology Revision "Vaccination"
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6 years ago
17421893 6 years ago 10:56The Side Effects of Vaccines - How High is the Risk?
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7 years ago
635913 7 years ago 3:31Why Do We Get Vaccines?
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5 years ago
1062270 5 years ago 13:01What I learned from parents who don't vaccinate their kids | Jennifer Reich | TEDxMileHigh
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5 years ago
1192749 5 years ago 3:37Vaccines and the Immune Response: How Vaccines Work
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4 years ago
97763 4 years ago 7:06Vaccines 101: How new vaccines are developed
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6 years ago
1192857 6 years ago 9:29Antibiotics, Antivirals, and Vaccines
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4 years ago
8587729 4 years ago 7:24What is a Vaccine?
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8 years ago
80686 8 years ago 5:37Introduction to Vaccination: Definition & Immunization – Immunology | Lecturio
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10 years ago
2996350 10 years ago 9:16The Truth About Anti-Vaccination: A Scientific Look
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7 years ago
300201 7 years ago 2:28How do vaccines work?
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10 years ago
129107 10 years ago 10:56Polio vaccinations | Infectious diseases | NCLEX-RN | Khan Academy
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4 years ago
2970802 4 years ago 6:48mRNA vaccines, explained
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2 years ago
50287 2 years ago 1:06Types of vaccines for children | NHS
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7 years ago
27309811 7 years ago 27:15Vaccines: Last Week Tonight with John Oliver (HBO)