Akram M, Tahir IM, Shah SMA, Mahmood Z, Altaf A, Ahmad K, Munir N, Daniyal M, Nasir S, Mehboob H (2018) Antiviral potential of medicinal plants against HIV, HSV, influenza, hepatitis, and coxsackie virus: A systematic review. Phytotherapy Research 32: 811-822.

Alanagreh LA, Alzoughool F, Atoum M (2020) The human coronavirus disease Covid-19: its origin, characteristics, and insights into potential drugs and its mechanisms. Pathogens 9: 1-11.

Ali I, Alharbi OM (2020) COVID-19: Disease, management, treatment, and social impact. Science of the Total Environment 728:1-6.

Arshad MS, Khan U, Sadiq A, Khalid W, Hussain M, Yasmeen A, Asghar Z, Rehana H (2020) Coronavirus disease (Covid?19) and immunity booster green foods: A mini review. Food Science & Nutrition 8: 3971-3976.

Ashokkumar K, Murugan M, Dhanya MK, Warkentin TD (2020) Botany, traditional uses, phytochemistry and biological activities of cardamom [Elettaria cardamomum (L.) Maton]–A critical review. Journal of Ethnopharmacology 10: 1-40.

Ayush (2020) Ayurveda’s immunity boosting measures for self care during COVID 19 crisis. The Ministry of Ayurvedic, Yoga and Naturopathy, Unani, Siddha and Homeopathy (AYUSH), http://ayush.gov.in/event/ayurveda-immunity-boosting-measures-self-care-during-covid-19-crisis

Bailly C, Vergoten G (2020) Glycyrrhizin: An alternative drug for the treatment of COVID-19 infection and the associated respiratory syndrome? Pharmacology & Therapeutics 214: 107618.

Banerjee A, Kulcsar K, Misra V, Frieman M, Mossman K (2019) Bats and coronaviruses. Viruses 11: 1-15.

Baravkar AA, Shende MV, Nalawade NA (2020) Corona Virus and COVID-19. International Journal of Research in Engineering, Science and Management 3: 558-561.

Batiha GE, Beshbishy AM, El-Mleeh A, Abdel-Daim MM, Devkota HP (2020) Traditional uses, bioactive chemical constituents, and pharmacological and toxicological activities of Glycyrrhiza glabra L.(Fabaceae). Biomolecules 10: 1-19.

Bhowmik D, Nandi R, Kumar D 2020 Evaluation of flavonoids as 2019-nCoV cell entry inhibitor through molecular docking and pharmacological analysis. ChemRxiv. Preprint https://doi.org/10.26434/chemrxiv.12071508.v1 

Cascella M, Rajnik M, Cuomo A, Dulebohn SC, Di Napoli R (2020) Features, evaluation and treatment coronavirus (COVID-19). InStatpearls [internet] StatPearls Publishing.

Chen L, Hu C, Hood M, Zhang X, Zhang L, Kan J, Du J (2020b) A Novel Combination of Vitamin C, Curcumin and Glycyrrhizic Acid Potentially Regulates Immune and Inflammatory Response Associated with Coronavirus Infections: A Perspective from System Biology Analysis. Nutrients 12: 1193.

Chen Y, Liu Q, Guo D (2020a) Emerging coronaviruses: genome structure, replication, and pathogenesis. Journal of medical virology 92: 418-23.

Chikhale RV, Gurav SS, Patil RB, Sinha SK, Prasad SK, Shakya A, Shrivastava SK, Gurav NS, Prasad RS (2020). Sars-cov-2 host entry and replication inhibitors from Indian ginseng: an in-silico approach. Journal of Biomolecular Structure and Dynamics 1-12.

Devansh M (2020) Possible Plant Based Medicines And Phytochemicals To Be Cure For Deadly Coronavirus COVID 19. World Journal of Pharmacy and Pharmaceutical Sciences 9: 531-533.

Dhama K, Saminathan M, Jacob SS, Singh M, Karthik K, Amarpal, Tiwari R, Sunkara LT, Malik YS, Singh RK (2015) Effect of immunomodulation and immunomodulatory agents on health with some bioactive principles, modes of action and potent biomedical applications. International Journal of Pharmacology 11(4): 253-290.

Dhama K, Karthik K, Khandia R, Munjal A, Tiwari R, Rana R, Khurana SK, Sana Ullah, Khan RU, Alagawany M, Farag MR, Dadar M, Joshi SK (2018) Medicinal and therapeutic potential of herbs and plant metabolites / extracts countering viral pathogens - Current knowledge and future prospects. Current Drug Metabolism 19(3):236-263.

Dhama K, Khan S, Tiwari R, Sircar S, Bhat S, Malik YS, Singh KP, Chaicumpa W, Bonilla-Aldana DK, Rodriguez-Morales AJ (2020) Coronavirus Disease 2019-COVID-19. Clinical Microbiology Reviews 33(4): e00028-20. doi: 10.1128/CMR.00028-20.

Dibazar SP, Fateh S, Daneshmandi S (2014) Clove (Syzygium aromaticum) ingredients affect lymphocyte subtypes expansion and cytokine profile responses: An in vitro evaluation. Journal of food and drug analysis 22: 448-454.

Divya M, Vijayakumar S, Chen J, Vaseeharan B, Duran-Lara EF (2020) A review of South Indian medicinal plant has the ability to combat against deadly viruses along with COVID-19?. Microbial Pathogenesis 147:1-6.

Donma MM, Donma O (2020) The Effects of Allium Sativum on Immunity within the Scope of COVID-19 Infection. Medical Hypotheses 109934.

Florindo HF, Kleiner R, Vaskovich-Koubi D, Acúrcio RC, Carreira B, Yeini E, Tiram G, Liubomirski Y, Satchi-Fainaro R (2020) Immune-mediated approaches against COVID-19. Nature nanotechnology 13: 1-6.

Gangal N, Nagle V, Pawar Y, Dasgupta S (2020) Reconsidering Traditional Medicinal Plants to Combat COVID-19. AIJR Preprints 1-6

Gautam S, Gautam A, Chhetri S, Bhattarai U (2020) Immunity Against COVID-19: Potential Role of Ayush Kwath. Journal of Ayurveda and Integrative Medicine 1-8.

Ghosh R, Chakraborty A, Biswas A, Chowdhuri S (2020) Evaluation of green tea polyphenols as novel corona virus (SARS CoV-2) main protease (Mpro) inhibitors–an in silico docking and molecular dynamics simulation study. Journal of Biomolecular Structure and Dynamics 1-13.

Girija PL, Sivan N (2020) Ayurvedic treatment of COVID-19/SARS-CoV-2: A case report. Journal of Ayurveda and Integrative Medicine 1-5.

Goel B, Mishra S (2020) Medicinal and Nutritional Perspective of Cinnamon: A Mini-review. European Journal of Medicinal Plants 31: 10-16.

Gorgani L, Mohammadi M, Najafpour GD, Nikzad M (2017) Piperine—the bioactive compound of black pepper: from isolation to medicinal formulations. Comprehensive Reviews in Food Science and Food Safety 16: 124-140.

Gulcin I, Kaya R, Goren AC, Akincioglu H, Topal M, Bingol Z, Cetin Çakmak K, Ozturk Sarikaya SB, Durmaz L, Alwasel S (2019) Anticholinergic, antidiabetic and antioxidant activities of Cinnamon (Cinnamomum verum) bark extracts: polyphenol contents analysis by LC-MS/MS. International Journal of Food Properties 22:1511-1526.

Guo YR, Cao QD, Hong ZS, Tan YY, Chen SD, Jin HJ, Tan KS, Wang DY, Yan Y (2020) The origin, transmission and clinical therapies on coronavirus disease 2019 (COVID-19) outbreak–an update on the status. Military Medical Research 7: 1-10.

Gupta H, Gupta M, Bhargava S (2020a) Potential use of turmeric in COVID?19. Clinical and experimental Dermatology 45: 902-903.

Gupta S, Mishra KP, Ganju L (2017) Broad-spectrum antiviral properties of andrographolide. Archives of virology 162: 611-23.

Gupta S,  Singh AK,  Kushwaha PP, Prajapati KS, Shuaib M, Senapati S,  Kumar S (2020b) Identification of potential natural inhibitors of SARS-CoV2 main protease by molecular docking and simulation studies. Journal of Biomolecular Structure and Dynamics 1-12.

Helmy YA, Fawzy M, Elaswad A, Sobieh A, Kenney SP, Shehata AA (2020) The COVID-19 pandemic: a comprehensive review of taxonomy, genetics, epidemiology, diagnosis, treatment, and control. Journal of Clinical Medicine 9: 1-29.

Huang C, Wang Y, Li X, Ren L, Zhao J, Hu Y, Zhang L, Fan G, Xu J, Gu X, Cheng Z (2020) Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. The lancet 395: 497-506.

Jahan I, Onay A (2020) Potentials of plant-based substance to inhabit and probable cure for the COVID-19. Turkish Journal of Biology 44: 228.

Jena AB, Kanungo N, Nayak V, Chainy GBN, Dandapat J (2020) Catechin and Curcumin interact with corona (2019-nCoV/SARS-CoV2) viral S protein and ACE2 of human cell membrane: insights from Computational study and implication for intervention. 10.21203/rs.3.rs-22057/v1.

Jin Y, Yang H, Ji W, Wu W, Chen S, Zhang W, Duan G (2020) Virology, epidemiology, pathogenesis, and control of COVID-19. Viruses 12: 1-17.

Joshi T, Joshi T, Sharma P, Mathpal S, Pundir H, Bhatt V, Chandra, S (2020) In silico screening of natural compounds against COVID-19 by targeting Mpro and ACE2 using molecular docking. European Review for Medical and Pharmacological Sciences 24: 4529-4536.

Kaushik H, Singh VK (2020) mathematics of covid-19 in India and their possible control by Allium sativum (l.). Asian Journal of Advances in Medical Science 2: 21-27.

Kaushik S, Jangra G, Kundu V, Yadav JP, Kaushik S (2020) Anti-viral activity of Zingiber officinale (Ginger) ingredients against the Chikungunya virus. Virus Disease 31: 270-276.

Khan MH, Yadava PS (2010) Antidiabetic plants used in Thoubal district of Manipur, Northeast India. Indian Journal of Traditional Knowledge 9: 510-514.

Khushbu C, Roshni S, Anar P, Carol M, Mayuree P (2011) Phytochemical and therapeutic potential of     Piper longum Linn a review. International journal of research in Ayurveda and Pharmacy 2: 157-61.

Krupanidhi S, Abraham Peele K, Venkateswarulu TC, Ayyagari VS, Nazneen Bobby M, John Babu D, Venkata Narayana A, Aishwarya G (2020) Screening of phytochemical compounds of Tinospora cordifolia for their inhibitory activity on SARS-CoV-2: an in silico study. Journal of Biomolecular Structure and Dynamics 1-5.

Kumar D, Arya V, Kaur R, Bhat ZA, Gupta VK, Kumar V (2012) A review of immunomodulators in the Indian traditional health care system. Journal of Microbiology, Immunology and Infection 45: 165-184.

Lau KM, Lee KM, Koon CM, Cheung CS, Lau CP, Ho HM, Lee MY, Au SW, Cheng CH, Bik-San Lau C, Tsui SK (2008) Immunomodulatory and anti-SARS activities of Houttuynia cordata. Journal of Ethnopharmacology 118: 79-85.

Li Y, Liu X, Guo L, Li J, Zhong D, Zhang Y, Clarke M, Jin R (2020) Traditional Chinese herbal medicine for treating novel coronavirus (COVID-19) pneumonia: protocol for a systematic review and meta-analysis. Systematic Reviews 9: 75. doi.org/10.1186/s13643-020-01343-4.

Lin Q, Zhao S, Gao D, Lou Y, Yang S, Musa SS, Wang MH, Cai Y, Wang W, Yang L, He D (2020) A conceptual model for the outbreak of Coronavirus disease 2019 (COVID-19) in Wuhan, China with individual reaction and governmental action. International Journal of Infectious Diseases 93: 211-216.

LuoLiu P, Li J (2020) Pharmacologic perspective: glycyrrhizin may be an efficacious therapeutic agent for COVID-19. International Journal of Antimicrobial Agents 55: 105995.

Mahapatra AD, Bhowmik P, Banerjee A, Das A, Ojha D, Chattopadhyay D (2019) Ethnomedicinal Wisdom: An Approach for Antiviral Drug Development. In New Look to Phytomedicine, Academic Press 35-61.

Mahima Verma AK, Tiwari R, Karthik K, Chakraborty S, Deb R, Dhama K (2013) Nutraceuticals from fruits and vegetables at a glance: a review. Journal of Biological Sciences 13(2): 38-47.

Malik YS, Kumar N, Sircar S, Kaushik R, Bhat S, Dhama K, Gupta P, Goyal K, Singh MP, Ghoshal U, El Zowalaty ME, O R V, Yatoo MI, Tiwari R, Pathak M, Patel SK, Sah R, Rodriguez-Morales AJ, Ganesh B, Kumar P, Singh RK (2020) Coronavirus Disease Pandemic (COVID-19): Challenges and a Global Perspective. Pathogens  9(7):519.

Mani JS, Johnson JB, Steel JC, Broszczak DA, Neilsen PM, Walsh KB, Naiker M (2020) Natural product-derived phytochemicals as potential agents against coronaviruses: A review. Virus Research  284: 197989. doi: 10.1016/j.virusres.2020.197989.

Maurya DK, Sharma D (2020) Evaluation of traditional ayurvedic preparation for prevention and management of the novel Coronavirus (SARS-CoV-2) using molecular docking approach. ChemRxiv 1-42.

Maurya H, Rao V (2019) The Favorable Role of Alkaloids from Vitex negundo in the Management of Human Ailments. Annals of Clinical pharmacology & Toxicology 1: 8-12.

Mirzaie A, Halaji M, Dehkordi FS, Ranjbar R, Noorbazargan H (2020) A narrative literature review on traditional medicine options for treatment of corona virus disease 2019 (COVID-19). Complementary Therapies in Clinical Practice 40: 1-8.

Mishra LC, Singh BB, Dagenais S (2001) Ayurveda: a historical perspective and principles of the traditional healthcare system in India. Alternative Therapies in Health and Medicine 7: 36-43.

Mittal M, Gupta N, Parashar P, Mehra V, Khatri M (2014) Phytochemical evaluation and pharmacological activity of Syzygium aromaticum: a comprehensive review. International Journal of Pharmacy and Pharmaceutical Sciences 6: 67-72.

Murck H (2020) Symptomatic Protective Action of Glycyrrhizin (Licorice) in COVID-19 Infection? Frontiers in Immunology 11:1239.

Murthy SM, Vidyasagar GM (2013) Traditional knowledge on medicinal plants used in the treatment of respiratory disorders in Bellary district, Karnataka, India. Indian Journal of Natural Products and Resources 4: 189-193.

Nayak P, Thirunavoukkarasu M (2016) A review of the plant Boerhaavia diffusa: Its chemistry, pharmacology and therapeutical potential. The Journal of Phytopharmacol  5: 83-92.

Ngwa W, Kumar R, Thompson D, Lyerly W, Moore R, Reid TE, Lowe H, Toyang N (2020) Potential of Flavonoid-Inspired Phytomedicines against COVID-19. Molecules 25: 2707. doi: 10.3390/molecules25112707

Niphade SR, Asad M, Chandrakala GK, Toppo E, Deshmukh P (2009) Immunomodulatory activity of Cinnamomum zeylanicum bark. Pharmaceutical Biology 47:1168-1173.     

Niraj S, Varsha S (2020) A review on scope of immuno-modulatory drugs in Ayurveda for prevention and treatment of Covid-19. Plant Science Today 7: 417-23.

Pandey MM, Rastogi S, Rawat AK (2013) Indian traditional ayurvedic system of medicine and nutritional supplementation. Evidence-Based Complementary and Alternative Medicine 2013:1-12.

Panyod S, Ho CT, Sheen LY (2020) Dietary therapy and herbal medicine for COVID-19 prevention: A review and perspective. Journal of Traditional and Complementary Medicine 10: 420-427. doi: 10.1016/j.jtcme.2020.05.004.

Patra JK, Das G, Bose S, Banerjee S, Vishnuprasad CN, del Pilar Rodriguez?Torres M, Shin HS (2020) Star anise (Illicium verum): Chemical compounds, antiviral properties, and clinical relevance. Phytotherapy Research 34: 1248-1267.

Rabaan AA, Al-Ahmed SH, Sah R, Tiwari R, Yatoo MI, Patel SK, Pathak M, Malik YS, Dhama K, Singh KP, Bonilla-Aldana DK, Haque S, Martinez-Pulgarin DF, Rodriguez-Morales AJ, Leblebicioglu H. (2020a) SARS-CoV-2/COVID-19 and advances in developing potential therapeutics and vaccines to counter this emerging pandemic. Annals of Clinical Microbiology and Antimicrobials 19(1):40. doi: 10.1186/s12941-020-00384-w.

Rabaan AA, Al-Ahmed SH, Haque S, Sah R, Tiwari R, Malik YS, Dhama K, Yatoo MI, Bonilla-Aldana DK, Rodriguez-Morales AJ (2020b) SARS-CoV-2, SARS-CoV, and MERS-CoV: a comparative overview. Le Infezioni in Medicina 28: 174-84.

Rahal A, Mahima, Verma AK, Kumar A, Tiwari R, Kapoor S, Chakraborty S, Dhama K (2014) Phytonutrients and nutraceuticals in vegetables and their multi-dimensional medicinal and health benefits for humans and their companion animals: A review.  Journal of Biological Science 14(1): 1-19.

Rastogi S, Pandey DN, Singh RH (2020) COVID-19 Pandemic: A pragmatic plan for Ayurveda Intervention. Journal of Ayurveda and Integrative Medicine 2-5 https://doi.org/10.1016/j.jaim.2020.04.002.

Rathinavel T, Palanisamy M, Palanisamy S, Subramanian A, Thangaswamy S (2020) Phytochemical 6-Gingerol–A promising Drug of choice for COVID-19. International Journal of Advanced Science and Engineering 6: 1482-1489.

Rodriguez-Morales AJ, Bonilla-Aldana DK, Tiwari R, Sah R, Rabaan AA, Dhama K (2020) COVID-19, an emerging coronavirus infection: current scenario and recent developments – an overview.  Journal of Pure and Applied Microbiology 14(1): 05-12. https://doi.org/10.22207/JPAM.14.1.02

Ren JL, Zhang AH, Wang XJ (2020) Traditional Chinese medicine for COVID-19 treatment. Pharmacological research 155: 1-2.

Sahoo JP, Mohapatra U, Mishra AP, Chandra K (2020) Turmeric (Haldi)-A strapping strategy for enhancing the immune system to reduce the effect of SARS-CoV-2. Food and Scientific reports 1:10-12.

Sen S, Chakraborty R (2017) Revival, modernization and integration of Indian traditional herbal medicine in clinical practice: Importance, challenges and future. Journal of traditional and complementary medicine 7: 234-44.

Seyed MA (2019) A comprehensive review on Phyllanthus derived natural products as potential chemotherapeutic and immunomodulators for a wide range of human diseases. Biocatalysis and Agricultural Biotechnology 17: 529-37.

Sharma R, Martins N, Kuca K, Chaudhary A, Kabra A, Rao MM, Prajapati PK (2019) Chyawanprash: a traditional Indian bioactive health supplement. Biomolecules 9: 1-24.

Shree P, Mishra P, Selvaraj C, Singh SK, Chaube R, Garg N, Tripathi YB (2020) Targeting COVID-19 (SARS-CoV-2) main protease through active phytochemicals of ayurvedic medicinal plants–Withania somnifera (Ashwagandha), Tinospora cordifolia (Giloy) and Ocimum sanctum (Tulsi)-a molecular docking study. Journal of Biomolecular Structure and Dynamics 1-14.

Singhal T (2020) A review of coronavirus disease-2019 (COVID-19). The Indian Journal of Pediatrics 13:1-6.

Sinha SK, Prasad SK, Islam MA, Gurav SS, Patil RB,  AlFaris NA, Aldayel TS (2020)  AlKehayez NM,  Wabaidur SM, Shakya A. Identification of bioactive compounds from Glycyrrhiza glabra as possible inhibitor of SARS-CoV-2 spike glycoprotein and non-structural protein-15: a pharmacoinformatics study. Journal of Biomolecular Structure and Dynamics 1-15.

Stojanovic-Radic Z, Pejcic M, Dimitrijevic M, Aleksic A, V Anil Kumar N, Salehi B, C Cho W, Sharifi-Rad J (2019) Piperine-A Major Principle of Black Pepper: A review of its bioactivity and studies. Applied Sciences 9: 1-29.

Subbaiyan A, Ravichandran K, Singh SV, Sankar M, Thomas P, Dhama K, MalikYS, Singh RK and Chaudhuri P (2020) In silico Molecular Docking Analysis Targeting SARS-CoV-2 Spike Protein and Selected Herbal Constituents. Journal of Pure and Applied Microbiology 14: 989-998. doi: 10.22207/JPAM.14.SPL1.37.

Tiwari R, Latheef SK, Ahmed I, Iqbal H, Bule MH, Dhama K, Samad HA, Karthik K, Alagawany M, El-Hack ME,  Yatoo MI, Farag MR (2018) Herbal Immunomodulators - A Remedial Panacea for Designing and Developing Effective Drugs and Medicines: Current Scenario and Future Prospects. Current Drug Metabolism 19(3): 264-301.

Tripathi MK, Singh P, Sharma S, Singh TP, Ethayathulla AS, Kaur P (2020) Identification of bioactive molecule from Withania somnifera (Ashwagandha) as SARS-CoV-2 main protease inhibitor. Journal of Biomolecular Structure and Dynamics 1-14.

Ul Qamar MT, Alqahtani SM, Alamri MA, Chen LL (2020) Structural basis of SARS-CoV-2 3CL^pro and anti-COVID-19 drug discovery from medicinal plants. Journal of Pharmaceutical Analysis 10: 313-319. doi: 10.1016/j.jpha.2020.03.009.

Umashanker M, Shruti S (2011) Traditional Indian herbal medicine used as antipyretic, antiulcer, anti-diabetic and anticancer: A review. International journal of research in pharmacy and chemistry 1: 1152-1159.

Uniyal SK, Singh KN, Jamwal P, Lal B (2006) Traditional use of medicinal plants among the tribal communities of Chhota Bhangal, Western Himalaya. Journal of ethnobiology and ethnomedicine 2: 1-8.

Upadhyay RK (2020) Thermal-Aroma-Organic-Carbon-Fusion therapy: An open air conventional method for clearance of nasal air passage, trachea, lungs and immunity boosting against Influenza Virus. International Journal of Zoological Investigations 6: 71-93.

Vellingiri B, Jayaramayya K, Iyer M, Narayanasamy A, Govindasamy V, Giridharan B, Ganesan S, Venugopal A, Venkatesan D, Ganesan H, Rajagopalan K (2020) COVID-19: A promising cure for the global panic. Science of the Total Environment 725: 1-18.

Wu F, Zhao S, Yu B, Chen YM, Wang W, Hu Y, Song ZG, Tao ZW, Tian JH, Pei YY, Yuan ML (2020) Complete genome characterisation of a novel coronavirus associated with severe human respiratory disease in Wuhan, China. bioRxiv 1-32.

Xu J, Zhang Y (2020) Traditional Chinese medicine treatment of COVID-19. Complementary Therapies in Clinical Practice 39: 101165.

Yatoo MI, Hamid Z, Parray OR, Wani AH, Ul Haq A, Saxena A, Patel SK, Pathak M, Tiwari R, Malik YS, Sah R, Rabaan AA, Rodriguez Morales AJ, Dhama K. (2020) COVID-19 - Recent advancements in identifying novel vaccine candidates and current status of upcoming SARS-CoV-2 vaccines. Human Vaccines and Immunotherapeutics 1-14. doi: 10.1080/21645515.2020.1788310.

Zhang L, Yu J, Zhou Y, Shen M, Sun L (2020) Becoming a Faithful Defender: Traditional Chinese Medicine against Coronavirus Disease 2019 (COVID-19). The American Journal of Chinese Medicine 1-15. https://doi.org/10.1142/S0192415X2050038