> In fact, no coronavirus to date has had a vaccine developed for it. A small nitpick that doesn't take away from your overall point, just mentioning it becaus

> In fact, no coronavirus to date has had a vaccine developed for it. A small nitpick that doesn't take away from your overall point, just mentioning it because it's interesting: we've developed two widely-used coronavirus vaccines to date. They aren't used in humans, though. They target feline and bovine coronaviruses.