COVID-19 Dr John Campbell: Vitamin A And Mystery Pneumonia In China By Nooows.com MVP Posted on December 3, 2023 Share Share Share Share Email Comments Vitamin A is needed for immunity and is cheap. Vitamin A (which is retinol) and immunity. Related Items:covid-19, vitamin A Share Share Share Share Email Recommended for you Dr John Campbell: Ivermectin and Iodine Australian Childhood & Adolescent Vaccination Schedule – Full Antigen Count AUDIO: Why a Sudden Change in COVID’s Danger Level Is Possible — Simplifying Dr Geert Vanden Bossche Click to comment You must be logged in to post a comment Login Leave a Reply Cancel replyYou must be logged in to post a comment.