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94,978,795 results
What is the science behind the anti-vaccine movement, and is it any good? Let's find out! My Twitter: ...
9,630,887 views
3 years ago
As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are ...
1,074,833 views
9 years ago
The partisan pandemic, explained in 15 charts. Subscribe and turn on notifications so you don't miss any videos: ...
1,652,937 views
2 years ago