D, M.S. and M S, S.D. 2021. A Review on Efficacy of Siddha Medicinal Herbs as Antiviral Drugs against COVID-19. International Journal of Ayurvedic Medicine. 12, 1 (Mar. 2021), 1–6. DOI:https://doi.org/10.47552/ijam.v12i1.1741.