In addition, the ratios of DHF/DF in the Central District (i.e. the major epidemic site) increased from 11%, 20% and 30% during the first, second and third time intervals of the epidemic curve.

• 此外，登革出血热/登革热病例的比值在台南市主要发生登革流行的中区随著流行从第一段时间为11%25增加至第二段时间之20%25及第三段时间之30%25。