The lag time between that much money turning into a country-size amount of equipment that can be used by ordinary people without error might well be longer than the quarantine period.
I've seen some manufacturing miracles, but that's a really tall order.
> that can be used by ordinary people without error
Social media has been great for airline oxygen mask designers as it has shown the failure rates of real world emergencies. I imagine that even with highly trained people like medical staff, the problems of proper PPE usage are just so much worse. People have a really hard time understanding things clearly.
Maybe if we invested a trillion dollars (which is an absurd amount of money) into developing and improving it, it would be.