Lyme disease | definition of Lyme disease by Medical ...
medical-dictionary.thefreedictionary.com/Lyme+disease
Because they are still quite small (less than 2 mm), they are difficult to spot, ... Of those who develop Lyme disease, about 50% notice flu-like symptoms, ... Weeks, months, or even years after an untreated tick bite, symptoms can ... Arthritis (short episodes of pain and swelling in joints) and other musculoskeletal complaints. and can also cause the white halos that come and go around them