Immunoregulatory Mechanisms of Herbal Medicines in Cancer and Infectious Diseases May 6, 2022 This issue will explore the complex role of herbal medicines as immune mediators in the context of cancer and infectious disease. For this issue, we welcome reports of basic and translational research related to the immunobiology and immunoregulatory functions of herbal medicines or the development of novel herbal drugs, as well as clinical reports on the effectiveness of herbal medicines in immunotherapy.