Noun
a disease or disorder of the blood
Source: WordNetBut last year, Nick was diagnosed with severe aplastic anemia, a rare blood disease that has kept him off the field indefinitely. Source: Internet
Morbius was born with a rare blood disease and it was his fervent desire for a cure that caused him to develop vampiric powers and tendencies, including superhuman strength and agility, enhanced healing, and a lust for human blood. Source: Internet
Maas sat in the "Athlete Pit" by the stage next to Chauncey Jenkins, 53, who had lost his legs, arms and the tip of his nose to a rare blood disease. Source: Internet