Vegan choriomeningitis

• Potentially terminal disease native to Vega IX (TOS Novel: The Captain's Oath; TOS: "The Mark of Gideon")
• Initial symptoms consist of headache, limb pain, nuchal rigidity, fever (TOS Novel: The Captain's Oath; TOS: "The Mark of Gideon")
• Later symptoms include intense fever, delirium, convulsions (TOS Novel: The Captain's Oath)
• Fatal if untreated within 24 hours of infection (TOS Novel: The Captain's Oath; TOS: "The Mark of Gideon")