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Asked by joshy556 - 2 years ago
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Peter1g Level 24 / Retired Engineer
Answered 2 years ago
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Mouth, lungs, cuts, contact with skin or any other external organs such as eyes, entry via any orifice (ears, urinary tract, anus, nose, vagina) and mixing of bodily fluids (though this may entail access via one of the above).

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