The whole world is talking about Covid-19 right now. Here's a few data related links:

Dashboards

• Covid-19 Infection Trajectories
• World Covid-19 Stats (about the kid who made it)
• Predicts the last day each state can react before the point of no return
• Social Distance Scoreboard See how each state ranks on their social distancing efforts.

Understanding the Math

• (Video) How to understand if we're beating Covid-19
• (Video) Simulating an Epidemic -- Description of how small changes can effect the spread of the virus
• An introduction to the models -- Introduction to the SIR models.
• Understanding exponential growth and epidemics