Erythema Migrans

Some articles on erythema migrans:

Allen Steere - Lyme Disease Research
... Steere interviewed remembered getting a strange, spreading skin rash (erythema migrans) before experiencing any other symptoms ... The rash described by Afzelius was later named erythema migrans ... Research in Europe had found that erythema migrans and acrodermatitis chronica atrophicans, another rash caused by tics in Europe, responded to penicillin, suggesting that the cause was bacterial, not viral ...