This is the most important slide that I've ever seen in public health, [Sovereigns killed by smallpox] because it shows you to be the richest and the strongest, and to be kings and queens of the world, did not protect you from dying of smallpox.
这是我看到过的关于公共卫生的最重要一张幻灯片 它告诉你，即使你再有钱、再健壮 即使你是君王 也不能免于天花之害