The document outlines several strategies to boost immune health and protect against COVID-19, including sufficient sleep, a diet rich in whole plant foods, healthy fats, probiotics, and reduced sugar intake. It emphasizes the importance of moderate exercise, hydration, and stress management, as well as the roles of vitamins D, C, and zinc in enhancing immune function. Additionally, it discusses various treatments currently being investigated for COVID-19, such as remdesivir, chloroquine, and favilavir.