Severe Combined Immunodeficiency Disorder, or SCID.

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Severe Combined Immunodeficiency Disorder, or SCID, is a rare genetic disorder in which components of the individual's immune system is missing. This results in making the victim susceptible to disease without much chance of survival. A simple sickness could be fatal to a SCID patient. In order for these people to live, they must reside in germ-free isolation their whole lives because their immune system can't fight against bacteria or viruses that may be easy for a person with a normal immune system to overcome. Much work has been done to change the devastating effects of SCID, including gene therapy, which so far, has proven to be successful.

Most cases of SCID are diagnosed within the first few months of life. They are very likely to come down with pneumonia, meningitis, or sepsis, which can be fatal diseases to the young victims. Medication is futile because their immune system does not function properly. They either have irregular or absent B-cells or T-cells, which are the white blood cells that fight off disease. The only possible way for survival is early detection and complete isolation from the germ-infested world.

SCID is considered the worst, most devastating