Final answer:
Lyme disease, caused by the Borrelia bacterium and transmitted by deer tick bites, is characterized by symptoms such as joint pain, fever, flu-like symptoms, and potentially a bullseye rash.
Step-by-step explanation:
The Disease Characterized by Joint Pain, Fever, and Flu-like Symptoms
The disease that is characterized by joint pain, fever, and flu-like symptoms in humans after the bite of a deer tick is Lyme disease. Lyme disease is caused by the Gram-negative spirochete bacterium of the genus Borrelia. In addition to the mentioned symptoms, Lyme disease can also present with a distinctive bullseye rash. This disease can lead to chronic issues if left untreated, affecting various systems within the human body, including the nervous system, heart, and joints. It is essential for those who have been bitten by a deer tick and exhibit these symptoms to seek medical attention for early diagnosis and treatment.