Tanzanian pastoralists urge research into deadly livestock disease as government launches vaccination drive

What you need to know:

  • Known locally among the Maasai as Ormilo—meaning “dizziness”—the disease is caused by the Taenia multiceps tapeworm. The parasite’s larvae migrate to the brain, forming cysts that trigger severe neurological symptoms and ultimately lead to death. There is currently no known cure or vaccine for the disease.