How do you know if you have a vampire disease?

Acute stage of bloodsucking worm disease, fever, allergy, diarrhea, hepatosplenomegaly, chest pain, bloody sputum symptoms. Chronic bloodsucking worm disease is manifested as purulent blood stool, chronic diarrhea, and repeated attacks, anemia, emaciation and other symptoms. The late stage of bloodsucking worm disease will appear splenomegaly, emaciation, ascites and other serious symptoms.