Kemampuan plasmid rekombinan pengkode protein non-struktural 1 virus dengue-2 dalam menginduksi TNF-α, IL-1 α/β, IL-6, dan IL-10 pada adherent peripheral blood mononuclear cells = The capacity of recombinant plasmid encoding non-structural protein 1 of dengue-2 virus to induce TNF-α, IL-1 α/β, IL-6, and IL-10 in adherent peripheral blood mononuclear cells