such as malaria，dengue，tuberculosis，cholera，plague and yellow fever． 如疟疾、登革热、结核、霍乱、鼠疫和黄热病，这更进一步加重了他们的负担。收藏
It is said that as haemorrhagic dengue is of high mortality, if it is not treated in time, the death rate may be as high as 15-50% 据了解，由于出血性登革热致死率高，若不及时治疗，死亡率可高达15%至50%。收藏
名词解释：