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Facebook to Consider Removing or Demoting Anti Vaccination Recommendations

Facebook to Consider Removing or Demoting Anti-Vaccination Recommendations

By The Washington Post | Updated: 16 February 2019 17:43 IST

Facebook is mulling the idea of demoting or removing anti-vaccination content

Highlights

Facebook has been criticized for promoting anti-vaccination material
The company argues removing such content won't help raise awareness
Facebook believes accurate counter-speech to be more effective

As public pressure intensifies over how Facebook promotes misinformation about vaccines, the social media giant is considering removing anti-vaccination content from its recommendation systems, Bloomberg reported Thursday.

Facebook has become something of a haven for a small but vocal community of parents who reject wisdom about immunisations, often citing junk science or conspiracy theories, and opt out of having their children vaccinated.

This week, Facebook has come under fire for promoting anti-vaccination material, especially ads targeting women in regions with high numbers of measles cases, according to reporting from the Daily Beast. The outcry intensified after Rep. Adam Schiff, D-Calif., wrote a letter to founder and chief executive Mark Zuckerberg asking how Facebook planned to protect users from misleading material about vaccinations. Schiff sent a similar letter to Sundar Pichai, chief executive of Google, which is also under scrutiny about how its search engine and subsidiary YouTube promote potentially dangerous misinformation.

"The algorithms which power these services are not designed to distinguish quality information from misinformation or misleading information, and the consequences of that are particularly troubling for public health issues," Schiff wrote to both tech executives.

In a response to Bloomberg about questions raised by Schiff, Facebook said it is "exploring additional measures to combat the problem," including "reducing or removing this type of content from recommendations, including Groups You Should Join." The company also said it's considering demoting these options in search results and ensuring that "higher quality and more authoritative" information is available."

These tensions come as the United States faces a troubling resurgence of measles, a disease that was declared eliminated by the Centers For Disease Control after the measles, mumps and rubella vaccine was introduced in 2000. Over 100 cases have been confirmed in 10 states this year, according to the CDC, already surpassing the total number of cases confirmed in 2016. Last month, Washington Gov. Jay Inslee, a Democrat, declared a state of emergency after 25 cases of measles cropped up in a single county, where nearly a quarter of kids attend school without measles, mumps and rubella immunizations.

Facebook has contended that most anti-vaccination content didn't violate its community guidelines for inciting "real-world harm." The company told The Washington Post earlier this week that it didn't believe removing such material would help raise awareness of the facts about vaccinations. Facebook said it thinks accurate counter-speech is a more productive safeguard against misinformation.

"While we work hard to remove content that violates our policies, we also give our community tools to control what they see as well as use Facebook to speak up and share perspectives with the community around them," Facebook said in a statement emailed to The Post on Wednesday.

Facebook did not immediately respond to a request Friday on whether the company's stance on these issues has changed.

The platform has a spotty record when it comes to the quality of information in popular health content seen by its users. A recent study from the Credibility Coalition and Health Feedback, a group of scientists who evaluate the accuracy of health media coverage, found the majority of the most-clicked health stories on Facebook in 2018 were fake or contained a significant amount of misleading information. The study looked at the top 100 health stories with the most engagements on social media and had a network of experts assess their credibility. The study found less than half were "highly credible." Vaccinations ranked among the three most popular story topics.

Health-related content is eligible to be reviewed by Facebook's fact-checking partners, meaning that content found to be misleading or false will be demoted in users' feeds and appear along with related articles from fact-checkers. But this doesn't work in the social network's groups, where the bulk of anti-vaccination material is spread.

The World Health Organization recently named "vaccine hesitancy" as one of the top global threats of 2019. But a recent investigation by the Guardian found that in Facebook's search results vaccines were "dominated by anti-vaccination propaganda." Facebook did not respond to questions from the Guardian about its plans for dealing with the issue. A different Guardian investigation also found Facebook had accepted advertising revenue from Vax Truther, Anti-Vaxxer, Vaccines Revealed and Michigan for Vaccine Choice, among others.

In his letter to Zuckerberg, Schiff asked how the company plans to reconcile the fact that frightened and confused parents may be making decisions based on misinformation about vaccinations on its platform, making the population at large more vulnerable to a deadly disease.

"I acknowledge that it may not always be a simple matter to determine when information is medically accurate, nor do we ask that your platform engage in the practice of medicine, but if a concerned parent consistently sees information in their Newsfeed that casts doubt on the safety or efficacy of vaccines, it could cause them to disregard the advice of their children's physicians and public health experts and decline to follow the recommended vaccination schedule," Schiff wrote.

Google's YouTube has already begun changing algorithms to try to control the spread of misinformation. Last month, YouTube said it would begin removing videos with "borderline content" that "misinform users in harmful ways."

"We think this change strikes a balance between maintaining a platform for free speech and living up to our responsibility to our uses," the company wrote in a blog post.

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