This rash occurs in approximately 60–80% of infected persons and begins at the site of a tick bite after a delay of 3–30 days. A distinctive feature of the rash is that it gradually expands peripherally over a period of several days.
Se ilmaantuu noin 60–80 prosentille tartunnan saaneista 3–30 päivän kuluttua punkin puremasta. Ihottumalle on tyypillistä, että se laajenee vähitellen useiden päivien ajan.