Definition of Herd Immunity and How Can we stop spreading COVID-19 with it?

While Corona Virus is spreading in a very bad way which has become a big cause of concern for all the scientists in the world.   According to several scientists, the only Herd Immunity could reduce the spreading of COVID 19 until the proper vaccine will be released. Now the most important question that comes to everyone mind is What is Herd Immunity Whe…