Why does the HPV value fluctuate repeatedly?

Patient's question:

Detailed medical condition and consultation purpose:
At the end of June this year, I underwent a cervical conization due to HPV infection.
The HPV value at that time was 661. After the surgery, I received 40 injections of interleukin.
The HPV value then dropped from 661 to 86, then to 62, and by November's check was 2.1.
But now it has risen again to 200. Why is that?
I haven't had any sexual activity since the surgery, so I don't know what the reason could be.
Looking forward to a reply! Thank you!
First follow-up question: Some hospitals mention something called gene therapy...
(Note: The "" is left as is, and all other Chinese text has been translated into English.)

Doctor's answer:

According to the information, the current drugs are mainly for control, and there is no complete cure yet.

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