Welcome to Connect, @nobody1 Interesting concept, using ozone treatments to treat blood disorders. But to date, ozone therapy hasn’t been tested in large-scale clinical trials conducted on humans, so there is limited information regarding treating blood conditions such as Polycythemia Vera.
Posting a couple of articles below with information about ozone therapy that you might be interested in reading.
From Cleveland Clinic:
https://health.clevelandclinic.org/ozone-therapy
Medskill.com: https://www.mediskill.com/ozone-therapy/comparing-iv-ozone-therapy#toc-what-is-iv-ozone-therapy-used-for-

Were you recently diagnosed with PV? Does your hematologist currently have you on any treatments?