Abstract
The immune system is capable of adequately controlling SARS-CoV-2 infection in 81% of patients, whose disease is asymptomatic or who experience moderate symptoms. However, 19% of infected patients develop severe disease which can become critical or fatal. This review article intends to provide an overview of the epidemiological antecedents of β-coronaviruses, describe the mechanisms of SARS-CoV-2 infection, and summarize the rational immunological underpinnings known at present which allow for a better understanding of the immunopathology of COVID-19. The SARS-CoV-2 virus is capable of profoundly altering the behavior of molecular and cellular components of the immune system. The initial decisions of the innate immune system are responsible for a proper or improper response of the adaptive immune system and, along with comorbidities, are directly associated with disease progression.
Published Version
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