人体丝虫病的诊断主要根据血中查到微丝蚴,但是对于到过流行区而微丝蚴数极少的患者是相当困难的。许多作者认为增加检验的血量可以提高检出低度感染者的效果。 The diagnosis of filariasis of the human body is mainly based on the finding of microfilariae in the blood, but it is quite difficult for the patients who have been to endemic microfilares to countless endemic areas. Many authors believe that increasing the amount of blood that is tested can increase the effectiveness of detecting those with a low level of infection.