[Exactly. I made this point in a discussion with a friend yesterday.]
People I know in the medical profession are much more pessimistic, given all the drug-resistant bugs that have sprung up since. It’s a treadmill. We come up with new drugs and Mother Nature figures out a way to one-up our puny efforts. This may be the big one doctors have been talking about for the past century. Nothing dramatic like zombies - just mass grave after mass grave as occurred with the Spanish flu.