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Covid-19 Herd Immunity: Herd immunity can outperform corona, 43% of people must be infected Covid-19 Herd Immunity: Corona virus cases are increasing continuously in the country and the world. With this, things like vaccine and its treatment are coming out. There is no cure for the corona virus yet, nor is there a way to prevent it. Asymptomatic cases are increasing, which means that there are more people who are infected but do not see any symptoms. In the beginning of this dangerous pandemic, there was hope that there was only one way to defeat the corona virus and that is herd immunity. Under which, at least 70 percent of the world's population had to be infected with this disease. This figure seemed not only very risky, but there were many factors which rejected the work of this concept. However, according to new research, corona virus infection is no longer necessary for herd immunity but in 70 percent but 43 percent of people. This study appeared in Science...