A terminal disease characterized by an abnormal proliferation of red and white blood cells that causes various symptoms, including weakness, fatigue, enlarged spleen, and pain in the extremities. If diagnosed in the early stages, the spleen can be removed and a full recovery made. However, if not caught in time, it will spread to the lymph nodes and other organs. In the end stages, the patient becomes bedridden until the heart gives out. A cure was found in the Fabrini medical archive in the mid 23rd century.
Xindi virus
This virus was created by Reptilians in order to wipe out all Human life. The Xindi virus was only modified for 6 blood types, A-, A+, B+, O-, O+, AB-.
Xindi virus
A group of Xindi Reptilians traveled back in time to 2004 to work on a virus that would exterminate humanity. Captain Archer and T'Pol prevented them from completing their work, so the virus was only modified for 6 blood types, A-, A+, B+, O-, O+, and AB-. (ENT: Carpenter Street)