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"It is unclear whether decisions people made about vaccination were influenced by their exposure to certain tweets and media, or whether they simply chose to inhabit an online community that reinforced their beliefs, a tension known as contagion versus homophile." [0]

Interesting article on role of social media. Obviously you are a hard core, a non-fence sitter, so I'll ignore you.

[0] http://www.smh.com.au/national/health/how-twitter-more-accur...

[dang]

We appreciate your many contributions to HN. But you've crossed into incivility in this thread. Would you please not do that, regardless of the other comments?

Vaccines are also a classic flamewar topic that, unless there's something genuinely new to be said, are off-topic here: https://news.ycombinator.com/newsguidelines.html.

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"The bottom line is that when you add up all of the genetic risks, it looks like genetics can account for 50 percent of the risk for autism, which is very high,” -- David Amaral, an Autism specialist UC Davis MIND Institute. ~ https://www.vox.com/science-and-health/2017/5/11/15508006/wh...

Yes you're write Dang. Incivility vs factual evidence. Maybe I should be more tactful.