<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been feeling really tired lately and I have this weird pain in my face and wrist. What could be causing this?  <response>: Based on your symptoms, it sounds like you may have been infected with West Nile virus. Its a viral infection that can cause fatigue, facial pain, and joint pain like what youre experiencing in your wrist. 