Mutation leads to new and severe form of bacterial disease

Fighting an illness is not just about fighting the bacteria or viruses that cause it, it also has to do with your genes. Scientists have now identified a gene mutation that makes children susceptible to a severe form of mycobacterial disease, any disease caused by species of Mycobacterium such as tuberculosis and leprosy. The mutation represents a new layer of disease severity in children who lack a vital disease-fighting component from their immune system.

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