Children with certain immunodeficiency diseases carry mutations in their genes that regulate the body’s immune system against viral infections. They have a higher mortality rate due to Covid-19 complications. Immunodeficiency results from the failure or absence of elements in the immune system of the body, such as lymphocytes and phagocytes. These immunodeficiencies can be primary or secondary. A study on this was conducted by researchers from Karolinska Institutet, published in the Journal of Allergy and Clinical Immunology. It indicated that most children infected with the SARS-CoV-2 coronavirus often show mild illnesses or no symptoms. However, a small percentage of children with immunodeficiency, who have abnormalities in genes that regulate the body’s immune system viral infections, have a higher death risk. View More