Case 1: "A 50-year-old female presents with blurred vision for 10 days"
Case 2: "A 83-year-old female presents with fever for 3 weeks"
Case 3: "A 47-year-old male presents with horizontal diplopia for 3 hours"
Case 4: "A 69-year-old male presents with fever with chills and rashes for 1 days"
Case 5: "A 21-year-old male presents with generalized lymphadenopathy for 2 months"