Is this the reason why deep kissing is ok(quoted from the website)

[dontwannasay]

"There is a protein in the mouth that attaches itself to the surface of blood cells and blocks infection by HIV that appears to be present in the mucous membrane in the mouth at a level sufficient enough to reduce the concentration of HIV in saliva to non-infectious levels. "

Quoted from http://www.mnaidsproject.org/learn/transmission.htm

So this is the reason why even a tiny bit of tastable blood wouldn't do anything?

[Teak]

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[dontwannasay]

so even though if hiv contaminated blood goes into a sore/cut, it needs time to infect which is more than a couple of seconds, and saliva will always slide into that spot and kill everything before it has enough time to infect, meaning the few seconds that saliva was not present is meaningless altogether?

[dontwannasay]

what about accidental blood swallowing?

[dontwannasay]

it becomes inactive instantly or it needs a couple of minutes, and im guessing the mouth has saliva everywhere in the mouth even on cuts maybe even when blood is present?

[dontwannasay]

umm any answers?