COVID-19 May 26, 2020 HERD IMMUNITY | CORONA VIRUS | THE HINDU | THE ECONOMIC TIMES | CURRENT AFFAIRS | Educator AbhiResidential Grandview Prep. School (Best Preparatory School in Bihar) This is a general awareness video on ‘HERD IMMUNITY’ It is very important for us to understand the concept of this as this is directly related to us lives. This video…