As the globe struggles with COVID-19 and the dearth of clinically useful treatments, the focus has switched to strategies that could boost the immune system. Pharmaceutical companies are working to create specialized medications and vaccines against SARS-CoV 2 COVID 19, taking into account the fact that the COVID-19 infection significantly impacts the immune system through a variety of inflammatory reactions. This Book contains the Role of Immune Boosters in COVID-19 (SARS-CoV- 2). Hope you like our Book which is made by us with full of hard work and research. Regards, Ms. Kalyani U. Chande Mr. Nikhil S. Ekhande Ms. Mayuri H. Padwal