Expanding erythema migrans lesion, no central clearing

Expanding lesion without central clearing on back of knee.

Reproduced with permission from Gary P Wormser, MD. From: Lyme disease rashes: Erythema migrans rashes. Centers for Disease Control and Prevention. https://www.cdc.gov/lyme/signs-symptoms/lyme-disease-rashes.html (Accessed on April 22, 2024). Copyright © 2024 Gary P Wormser, MD.

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