Common sense precautions here are much more stringent than the flu. Nobody is immune. There is no vaccination. Herd immunity is nil. And it's very infectious.

Common sense precautions here are much more stringent than the flu. Nobody is immune. There is no vaccination. Herd immunity is nil. And it's very infectious. This is a new thing and you should treat it as a new thing. There has not in living memory been one this bad, against which we had no defense except to avoid catching it and spreading it.