Costa Rica dengue cases up 38.6% year-on-year; chikungunya at record high

Costa Rica reports a 38.6% annual increase in dengue cases, with 620 chikungunya cases so far this year, the highest in the Chorotega region. The surge indicates a worsening vector-borne disease burden, likely straining public health resources. The data is from a single national source; regional breakdowns and full-year totals remain incomplete.