I am Tay-Sachs disease. I am very rare, but am most commonly found in Ashkenazi Jews, and very rarely in French Canadians and certain Cajuns in Louisiana. I have just been born into my host, a new born baby. Her parents both had one defective HEXA gene. My home for the next three and a half years will be inside the HEXA GENE of my host, specifically in beta-hexosaminidase A, found in lysosomes specifically found in brain cells. I will grow and spread as I develop very quickly…