Facebook has posted an interactive map that tracks where people are self-reporting symptoms of coronavirus, officially known as COVID-19, by county. The map could help give public health officials and ...

Earlier this week in a Washington Post editorial, Facebook founder and chief executive Mark Zuckerberg referenced an opt-in symptom survey being shown on Facebook that could help researchers at ...

Facebook on Monday debuted a new interactive map that tracks coronavirus cases on a county-by-county basis, and which the social network says will be updated daily as part of the effort to help local ...