A take on @hrbrmstr's pew pew map, this is slightly modified to simulate a pathogen spreading. Spread probabilities are taken from world migration numbers.
'nofx' may be set 'true' to turn off sound effects (default 'false') 'noarc' may be set 'true' to turn off the line arc between infections (default 'false')
Follows the ipew license: a liberal Creative Commons license, so clone away and use as you see fit, just remember to share your creations (and code) with others.