A member asked:

Dried blood was on a floor and people walked on it then elsewhere. i feel that spread a std to the rest of the floor. i didnt step on it but i walked on the same floor.i feel like i'm spreading it.could an std be on my shoe that im spreading?

A doctor has provided 1 answer

?????????: I can think of no STD where the germ would survive in such a location in dried blood, much less be spread to others. Hepatitis B is a sturdy germ that could survive in dried blood but would need to be introduced inside the skin ( like by needle or wound) for it to infect anyone.

Answered 1/31/2020

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