Figure 3.

SIRS models: SIRS1 (top left), SIRS2 (top right), SIRS3 (bottom left) and SIRS4 (bottom right); “+” and “-” denote seropositivity and seronegativity, respectively.

Korostil et al. BMC Infectious Diseases 2013 13:83   doi:10.1186/1471-2334-13-83
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