Unlike many other news organizations, we have not put up a paywall. Facebook is following the lead of Pinterest, which has blocked all searches using terms related to vaccines or vaccinations as part of a plan to stop the spread of misinformation related to anti-vaxx posts.
Laughing, Lindenberger said, "Not Facebook".
"We have long believed that simply removing provocative thinking such as this does little to build awareness around facts and different approaches to health", it said in a statement.
Revealed this Thursday, the social network says it will reduce distribution and provide users with "authoritative information" on the subject.
"If a group or Page admin posts this vaccine misinformation, we will exclude the entire group or Page from recommendations, reduce these groups and Pages' distribution in News Feed and Search, and reject ads with this misinformation", Bickert explained. Ad accounts that continue to spread misinformation will be disabled.
The World Health Organization and US Centers for Disease Control and Prevention have identified "verifiable vaccine hoaxes", Bickert said, and, "If these vaccine hoaxes appear on Facebook, we will take action against them".
The questions people have around vaccinations is a "direct result of the negative content you have on social media", he said, adding the issue is made more hard to control because such content is often in local languages not spoken by outsiders.
"What they're fearful of is government regulation and any sort of intervention with their business model so they're going to, as much as possible, be relatively evasive while at the same time try to address the issue without compromising their commercial interests".
The letter mentioned that above 100,000 children in every round were missed during polio vaccination because of false propaganda regarding the vaccine.
On Wednesday, Health Canada issued an advisory about "false claims" in the marketing of homeopathic remedies, known as nosodes, being promoted as alternatives to vaccines.
New research published this week, which followed 650,000 Danish children for more than a decade, again concluded that vaccination for measles, mumps and rubella did not increase the risk of autism.
Scientific and medical communities agree that vaccines are effective and safe in preventing potentially deadly diseases.
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