Tick infestations in Bangor, Maine, pose health risks as ticks can transmit diseases such as Lyme disease, babesiosis, and anaplasmosis. Symptoms of these diseases can range from mild to severe and may include fever, fatigue, joint pain, and neurological issues. It's crucial to take preventive measures such as wearing protective clothing, using tick repellents, and conducting thorough tick checks after spending time outdoors, especially in wooded or grassy areas.