Coronavirus symptom map: Mark Zuckerberg says Facebook users can help researchers forecast COVID-19 activity

Mark Zuckerberg is inviting users to answer survey on Facebook about COVID-19 symptoms, saying it could help researchers track hot spots, forecast activity amid the pandemic.

20 Apr 2020 ... Facebook is inviting users to answer a survey about COVID-19 symptoms to help researchers track hot spots, forecast activity amid the ...

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