These are the 14 states where coronavirus cases might flare up next, according to research into social media posts about symptoms, testing, and sick relatives

· Dataminr, a New York firm that tracks real-time data for the UN and multinational firms, says prior flare-ups of COVID-19 were preceded by a spike in social posts in the affected area.

· The posts were not opinions about the virus, but firsthand accounts of symptoms, relatives who have been infected, and testing.
· The...