DEET should be washed off the skin when the wearer comes indoors. These symptoms occur days to weeks after infection with Borrelia burgdorferi as the result of a tick bite. This stage occurs weeks to months after infection. This test is given first with the Western Blot, used as a test to confirm infection. The center of the rash may clear as it grows, giving it the appearance of a bull's-eye.
Nymphs are mainly responsible for infecting humans with Borrelia burgdorferi .
The nymph is about the size of a poppy seed.