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. 2015 Jan 13;143(10):2081–2093. doi: 10.1017/S0950268814003707

Fig. 3.

Fig. 3.

Prospective study. ELISA IgM in acute and convalescent sampling for leptospirosis in nine cases with equivocal or confirmed hantavirus infection. An OD of 0·3 (- - - -) is the cut-off for positivity. Case 1 (red line) is the only case with a seroconversion within 25 days, thus very likely an acute leptospirosis case. All other cases have more stable titres, suggesting recent but not acute leptospirosis. Case 7 (□) is confirmed as leptospirosis-negative, thus as an exclusive hantavirus (PUUV)-only infection.