A review on scope of immuno-modulatory drugs in Ayurveda for prevention and treatment of Covid-19

The Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome Coronavirus-2 (SARS CoV-2) infection attacking mainly on the immune system of a body. It is a potentially fatal disease that is of public health and economy concern globally. In December 2019, COVID-19 outbreak occurred in Wuhan city, Hubei Province, China furthermore spread worldwide. Research is underway in many countries to develop effective vaccines and drugs for the COVID-19. In Ayurveda, Acharya Charaka explained the concept of an epidemic condition in Janapadodhwansa Adhayay and combating of these diseases is to be done by Panchakarma (five procedures of purification), Rasayana Chikitsa (immune-modulators therapy) and Sadvritta (good conduct). Rasayan dravyas (immunomodulator drugs) of Ayurveda can be used for health promotion, immune-modulation, prevention and reduce disease burden from COVID-19. Drugs such as Ashwagandha (Withania somnifera (L.) Dunal), Guduchi (Tinospora cordifolia (Willd.) Miers), Amalaki (Phyllanthus emblica L.), Mulethi (Glycyrrhiza glabra L.), Shatavari (Asparagus racemosus Wild.), Chireta (Andrographis paniculata (Burm.f.) Nees), Tulsi (Ocimum sanctum L.) Punarnava (Boerhaavia diffusa L.) and Pippali (Piper longum L.) For symptom management of COVID-19 like illness Agastya Haritaki, Anutaila, AYUSH-64 can be used. Scientific research on these drugs may reveal the new approach for the prevention and management of COVID-19. The main aim of this article is to review research which has already conducted and currently being carried out on the herbal plant for their immunomodulation property which have a possible application in the prevention and treatment of COVID-19.