Antiviral and immunomodulatory activity of curcumin: A case for prophylactic therapy for COVID-19 oleh Rajesh K. Thimmulappa, Kiran Kumar Mudnakudu-Nagaraju, Chandan Shivamallu, K.J.Thirumalai Subramaniam, Arun Radhakrishnan, Suresh Bhojraj, Gowthamarajan Kuppusamy