Facebook launches UK coronavirus symptom survey

The COVID-19 symptom survey is opt-in and only targets users who are 18 years or older

Facebook has expanded its COVID-19 symptom survey to the UK and is set to start questioning selected users starting today.

The survey has been developed by health researchers at Carnegie Mellon University, based in Pittsburgh, Pennsylvania, and asks users whether they have experienced symptoms such as a fever, coughing, shortness of breath or loss of smell, all of which are associated with COVID-19.

The COVID-19 symptom survey is opt-in and only targets users who are 18 years or older.

Facebook launched the survey in the US on 6 April and has so far received “approximately 1 million responses a week”. CEO Mark Zuckerberg described the results of the symptom survey as “promising”.

“They correlate with publicly available data on confirmed cases, which suggests this data can help predict where the disease will spread,” he said, adding that “data like this can unlock a lot of good”. 

“Since we’re all generating data from apps and devices every day, there will likely be many more opportunities to use the aggregate data to benefit public health. But it’s essential that this is done in a way that protects people’s privacy and respects human rights,” he added.

Facebook has stated that it “doesn’t receive, collect or store individual survey responses, and CMU doesn’t learn who took the survey”. 

In a statement given to IT Pro, the Open Rights Group said that Facebook must keep to its legal obligations and not reuse or otherwise process the data

"Whether users trust these guarantees of course is another matter," it said. “It may also hard for UK users to know how the data is handled in the USA by researchers, as data protection obligations are not automatic.

"We hope and trust that Carnegie Mellon has ensured that UK citizens continue to have data protection guarantees if they use this questionnaire. This should be made clear to users when they use the app."

Earlier this month, Facebook also launched Disease Prevention Maps, which show whether people are listening to self-isolation advice and orders designed to curb the spread of COVID-19. The maps use anonymised location data to track the movement of people around regions, helping public health officials determine potential COVID-19 outbreak areas.

Facebook's announcement is an example of the latest efforts of tech giants to contribute to fighting the pandemic, bypassing the need for users to download separate coronavirus tracking apps. 

Even one of the more successful Bluetooth apps, the Singaporean TraceTogether, which had been set as an example for the NHSX in developing their own app, has been downloaded by only about one in five people.

Google had also released location data in the form of “Community Mobility Reports” to show the effectiveness of coronavirus lockdowns. The data reveals that in the UK there has been an 85% decrease in mobility trends for retail and recreational places, including restaurants, cafes, shopping centres, museums, libraries, and cinemas.

Public transport hubs had the second-largest decrease, with 75%, while workplaces experienced a 55% fall in attendance.

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