b1-66er: https://www.scripps.edu/news-and-events/press-room/2020/20200612-choe-farzan-coronavirus-spike-mutation.html
Special K: Smart virus.
b1: I learned that trick in elementary school when a tennis shoe got a pebble that fit EXACTLY in a spot on the sole...
...With a big field, and enough time to walk, you'll find it.