Relationship between Covid-19 infection and its severity and receiving the BCG vaccine

Because the Coronavirus is highly cont, this research investigates the relationship between the BCG vaccine and the infection of Covid-19 and its severity so that if it is positive, this vaccine can be used to control it.
agious, and as a pandemic, it has affected the world, it is essential to find new ways to fight and develop a vaccine against the disease. The plan of martyr Haj Qassem Soleimani was widely implemented. During correspondence with Kohgiluyeh and Boyar Ahmed University of Medical Sciences, we received the list of people tested for Covid-19. The cases were positive for one of the mentioned tests (rapid test, PCR, CT scan). The control group was those who had negative tests. After completing the collection, the questionnaires were analyzed using SPSS 16.1 statistical software. There was a significant difference in the covid-19 severity between people with a history of the underlying disease and others. Based on univariate models, the probability of contracting Covid-19 is significantly 2.913 times higher in people who have not received the BCG vaccine. The incidence of covid-19 for patients with the underlying disease is 1.845 times higher than for patients without a history of underlying disease. According to the results, it can be said that the BCG vaccine can be effective in preventing the severity of virus 19. This disease is seen in people with underlying conditions more than other people.