Figure 2: Clinical variations of erythema migrans
Fig. 2a: Initial seronegative erythema migrans 1 week after tick bite DD reaction to insect bite; diameter 4.9 cm, progression under observation
Fig. 2b: Seronegative erythema migrans, elevation of IgM antibodies occured 5 days after start of treatment
Fig. 2c: Typical marginated migrating erythema migrans
Fig. 2d: Typical marginated erythema migrans with fresh areas of inflammation within the ring