The malaria parasite feeds on fat in the blood and without it the parasite is starved.

疟疾寄生虫靠血液里的脂肪为生，少了脂肪寄生虫就只好饿着了。

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Often the way a host finds out they have a parasite is when the parasite has been feeding on them for so long that the host becomes ill and then has to address the problem.

经常的，一个宿主发现自己有寄生虫的方法，是当寄生虫已经寄居了如此长时间致使让自己病倒时，才会不得不处理这个问题。

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The anti-malarial drug Chloroquine was widely used until recent years when the malaria parasite became resistant to the drug.

VOA: special.2010.04.20

There's a parasite known as toxoplasmosis that lives in the bodies of rats.

有一种叫做弓浆虫的寄生虫,寄生在老鼠体内。

耶鲁公开课 - 心理学导论课程节选

One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

They then looked for similarities between the parasite and humans, as this opened up the possibility drugs that had already been designed could work on the parasite.

BBC: 'Weakness mining' for tapeworm drugs

The mosquito bites one person or animal with malaria, takes the parasite on board, flies off to another victim, bites and implants the parasite, which proceeds to multiply like crazy, sickening if not killing its victims.

NPR: Altered Mosquitoes May Save Humans From Malaria

Governments, particularly majoritarian democracies, have developed survival strategies to overcome their self-destructive gluttony by evolving into what biologists call a hyperparasite a parasite that hosts another parasite and by transforming itself into a predator capable of preying upon humans outside the host population.

FORBES: Observations On An Increasingly Parasitic Government