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Dr. Andrew Rynne

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Why is catching HIV through oral sex ?

Why is catching HIV through oral sex so much more unlikely than catching other STDs through oral? So why is it that way? Why is it alot more uncommon to catch HIV through oral than it is to catch diseases like Chlamydia, gonorrhea and the like?
Fri, 4 Dec 2009
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HIV is a very fragile virus and cannot sustain the external environment unlike other bacteria responsible for other STDs. Hence when the virus enters the oral route it dies if it gets into the stomach. Though it can survive in saliva, not even a single case has been documented till date.

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