Learn how to use herbs safely and effectively to prevent and fight off a wide range of viral infections, including coronaviruses, SARS, influenza, encephalitis, dengue fever, and more. Expert herbalist Stephen Harrod Buhner offers this exhaustive guide to understanding the antiviral properties of dozens of herbs, backed up by the most recent research studies and findings. In addition to in-depth profiles of the herbs, Buhner provides complete, step-by-step instructions for obtaining high-quality herbs and preparing and using customized herbal formulations for strengthening the immune system and addressing each virus.