Dengue fever is an acute communicable disease caused by virus. 登革热是一种由过滤性病毒所引起的急性传染病。
The onset of the disease is quite variable and, though it is usually fairly acute, may resemble the onset of a number of other acute infectious diseases. 本病发病情况相差悬殊，可是一般都是急性，正像许多别的急性传染病一样发病急骤。
