HIV Contamination Question?

How much blood is required for infection? For example, if someone with HIV were making the drink, would a visible amount of blood be required? Or, could a tiny (unseen) amount infect a individual?
Answers:    the blood would have to be visible and would have to catch inside the bloodstream. swallowing or eating food/drink with blood in it have never resulted in infection because the blood has an extremely difficult time getting inside the bloodstream when entering the mouth --- once in the stomach, HIV will die instantly.


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