RE: How Vaccines Have Altered U.S. Health, Summarized in One Graphic

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How Vaccines Have Altered U.S. Health, Summarized in One Graphic

in life •  2 years ago 

Um, Pre-Vaccination era = less cleanliness and more dirt generally.
More polution, etc. Gtfo with this useless chart.

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You did read my post?

Just asking because then your comment makes no sense.