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Pinterest blocks some searches to curb anti-vaccination myths

Too many results were promoting bogus health claims.
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Thomas Trutschel/Photothek via Getty Images

Social networks have made a number of efforts to halt the spread of anti-vaccination myths, but Pinterest recently took things a step further: it's curbing all talk about vaccination. The site has revealed to the Wall Street Journal that it blocked vaccination-related search terms late in 2018 to limit misinformation until it had a more effective way of filtering content. The company tried to pull the misleading material, but found that it couldn't remove all of it.

Users can still post vaccination material on their boards, a spokeswoman said -- you just can't set out to find it unless you visit specific users and check the suggestions for related boards. Most of the material on the subject pushed anti-vaccination views, the spokeswoman added.

Pinterest has also been blocking some cancer-related searches, accounts and content over questionable cancer therapies.

The acknowledgment of search bans is a response to growing attention to the vaccination issue. A county in Washington state has been struggling with a measles outbreak that some attribute to parents believing discredited claims that vaccinations cause autism. Other internet giants have faced pressure to clamp down on these falsehoods as well. Facebook recently said it might stop recommendations of anti-vaccination content, while Google largely intends to rely on information panels that counter web and YouTube search results promoting anti-vaccine beliefs. It's just that Pinterest's response is the most drastic -- it would rather stop vaccination talk altogether than risk contributing to the problem.

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