As you may already know Dr. Dmitry Katz was kicked off Twitter. However, he maintains a website with the latest updates on his NIATONIN protocol.
https://niacincurescovid.com
Good article: https://transcendingsquare.com/2021/01/22/niacin-early-treatment-in-general-for-sars-cov-2-is-sensible-reduces-hospitalization-and-mortality-rate/
Also Dr. Katz on Telegram: https://t.me/vaccinereversal https://t.me/vaccinetreatment