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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Clin Microbiol Infect. 2009 May;15(5):415–421. doi: 10.1111/j.1469-0691.2009.02785.x

FIG. 2.

FIG. 2

Serum levels of interleukin-10 (IL-10) in relapsing fever (RF) in mice. Groups of four to eight wild-type mice were necropsied at various times after inoculation of serotype 2 of the RF spirochaete Borrelia turicatae (Bt2), and the serum levels of IL-10 were measured by ELISA in comparison with uninfected control mice (phosphate-buffered saline (PBS)). Infected mice were necropsied during the first peak of bacteraemia (day 4), immediately after resolution of peak bacteraemia (day 5), or on day 14, when some mice were experiencing another peak of bacteraemia. Note that IL-10 was found in serum only during peak bacteraemia.