One answer, though, might be, “when it is vivax malaria.”

其中一个答案也许就是“间日虐。”

youdao

None of the 2 0 samples of vivax malaria showed cross reaction.

用试条法检测2 0例间日疟患者血样无交叉反应。

youdao

Plasmodium vivax malaria which is the second most common type of malaria also responds well to most ACTs.

间日疟是第二个最常见的疟疾类型，且对大部分以青蒿素为基础的联合疗法敏感。

youdao

The variant form of DARC stops the growth of Plasmodium vivax, one of the four parasites that can cause malaria.

ECONOMIST: AIDS