Well, typical of the Chinese, it doesn’t work very well, because 90% of the people who get it have no or mild symptoms.
Typical of the Chinese?
Where’d that come from?
(BTW They’ve actually had generals refer to starting an asymmetric war with us with a mild bioweapon that would primarily soften us up militarily. They know if they went head on in an attack they’d be dooming both us and them.)