Following the outbreak in China, the Lombardy region of Italy has become one of the areas of highest incidence of severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2). As the outbreak grew to a pandemic, many centres worldwide raised the concern that immunocompromised patients may be at high risk of developing a severe respiratory disease called COVID-19. Unlike common viral agents (such as Adenovirus, Rhinovirus, Norovirus, Influenza, Respiratory Syncytial Virus), Coronaviruses have not shown to cause a more severe disease in immunosuppressed patients. For this family of viruses the host innate immune response appears the main driver of lung tissue damage during infection.
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