All agressive strains that cause cervical cancer. Because he feels fine and healthy, he doesn't seem to care that he can infect futue women. So, yes, ozone and oxygen help if done to the blood to boost immune response and create a self vaccine. The virus is tissue-sequestered. It only takes one cell to activate to start the whole process over again.
Broader immunotherapy is required and constant vigilence.
These are man-made stealth adapted virus' that are designed to evade immune detection. So it is temporary at best. I cannot stress sexual abstinence enough here. Bacterial infections they'll help with but not viral infections. If you don't change your lifestyle choices, all the oxygen therapy can't make up for it.