Okay, 2020 was a bad year. And, what might be worse, it could turn out that 2020 was good practice. We learned a lot: now we know how to do a pandemic quarantine and shutdown. That doesn’t mean we’ll do it right, but we know how. And that begs the question: HOW SOON WILL WE HAVE TO DO IT ALL OVER AGAIN?Is there a variant coming that will evade the current vaccine? Where and how will it spread?