I think, if the seller used Amazon shipping, it’s not actually the seller’s fault. Doesn’t Amazon pool all items from the same SKU together from all sellers and ship whatever they can get to the buyer the fastest/cheapest?

No, there has never been a widespread TB vaccination program in the United States. In fact if you work in an at risk industry (such as Healthcare) you’ll be required to submit to routine testing that will tell if you’ve ever had an exposure to the vaccine or actual TB. 90+ percent of people will be negative to this test, indicating they’ve never had TB or the TB vaccine.