Table 2. Number of participants who were seropositive to DENV in 2013 and 2015 as measured by ELISA and MIA.

MIA any DENV denotes participants who were MIA seropositive to at least one DENV serotype. 95% CI shown in parentheses.

Test	N	2013	2013 (%)	2015	2015 (%)	Difference
ELISA	263	154	58.6% (52.3–64.6%)	196	74.5% (68.8–79.7%)	16% (11.8–21%)
MIA any DENV	263	193	73.4% (67.6–78.6%)	216	82.1% (77–86.6%)	8.75% (5.62–12.8%)
MIA DENV-1	263	177	67.3% (61.3–72.9%)	198	75.3% (69.6–80.4%)	7.98% (5.01–11.9%)
MIA DENV-2	263	33	12.5% (8.8–17.2%)	41	15.6% (11.4–20.5%)	3.04% (1.32–5.91%)
MIA DENV-3	263	87	33.1% (27.4–39.1%)	140	53.2% (47–59.4%)	20.2% (15.5–25.5%)
MIA DENV-4	263	79	30.0% (24.6–36%)	99	37.6% (31.8–43.8%)	7.6% (4.71–11.5%)