Glass vessel, dried sweetgum fruit, gel medium, gouache, model maker's parts rig with magnifying glass.
Observe the patterns of dissemination. 
Examine the structures of dissemination.
Regularly bombarded with images of COVID-19, I noticed several of these striking balls on the ground in late January.  Though I had seen them for years, this year they took on a new meaning. I was reminded of a line I heard on a public radio program (paraphrasing):
"The Coronavirus has no feelings. It isn't trying to cause malice. It is simply doing what all livings want to do; survive."
Did you know, opposed to the popular graphic where the spiky glycoproteins are depicted in red, the virus (and any virus for that matter) is actually colorless?