- Cycle through daily maps from March 15 through yesterday. Halt
to stop run. (Spacebar also stops and starts
ZOOM - Switch to "zoom" mode (works when either
running or halted). Left click to zoom in, right click to
zoom out. Press and hold to move around on zoomed map.
< or > - Stop if running, reverse
direction when resuming (i.e., can run backwards.). When halted single
step through dates. (May also use right and left keyboard arrows).
Example: To review changes for past week click halt
or press LEFT arrow key while on last date to stop run and go back one
day. Click LEFT arrow six additional times to go back one
week. Use right arrow key to step forward through previous
NOTE:This display is a series of daily
snapshots showing the spread of the epidemic in the U.S. from 15 March to
the present. The colors of the counties are based on an arbitrary "hotspot
score" which takes account of the per capita infection rate and the recent
growth rate in that county.
capita infection rate and the recent growth rate in that county.
Design: © 2020, Paul Mosher
Web App ©2014-2020, StormQuest Technologies and Tom Whittaker.