3%-6% of cases are fatal; up to 20% of surviving patients have permanent hearing loss or other long-term sequelae.
What are the natural history, complications, and prognosis associated with Haemophilus influenzae infection?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What are the natural history, complications, and prognosis associated with Haemophilus influenzae infection? [/INST] \n 3%-6% of cases are fatal; up to 20% of surviving patients have permanent hearing loss or other long-term sequelae.</s>