Probably have you formerly had a cold virus? Perchance did you do away with the problem? Naturally you survived it! You can not heal a common cold itself, yet your body generally creates resistance to a specific cold infection within a couple of weeks. That is called cured by your own immune response!

HPV virus is the same since HPV is simply another viral infection. And you can generally create immunity to HPV. Nevertheless, HPV is more capable at evading your immunity compared to the cold infections. Moreover you have to work a little harder to get immunity to HPV.
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