Hi - as auntijessi stated, you have asked the same question repeatedly, and have received many answers. Our policies prohibit asking the same questions over and over, so please consider this matter closed.
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You've asked this several times, and have been answered. There are no documented cases of this because it hasn't happened.
STDs don't go through clothing.
If you can not let this go, please get counseling. Anxiety seems to be your issue, not STDs.