Anglais example sentences with "parasite"

The brain may be regarded as a kind of parasite of the organism, a pensioner, as it were, who dwells with the body.
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You're nothing more than a social parasite!
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The alien is a small intelligent multidimensional parasite that attaches to the host's nervous system.
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Hookworm is a worm, a parasite of man, that sticks to the small intestine.
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Tom is a parasite who lives at the expense of others who earn money through hard work.
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Astylus, their master's son, arrived on horse-back, and a fawning parasite, who always accompanied him, rode by his side.
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Tom ate a salad contaminated with the cyclospora parasite.
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The report warns that the parasite Plasmodium falciparum — which causes the most lethal form of human malaria — is becoming resistant to the first-choice drug, DHA-piperaquine, in parts of Southeast Asia, with patients seeing a failure rate of 50 percent or more.
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The report says urgent action is now needed to eliminate falciparum malaria from the region — otherwise the resistant strains of the parasite could further spread to other parts of Asia and Africa, potentially causing global health emergency.
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Tom is a parasite.
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Tom was glad to see that the tomato hornworm on his tomato plant now had the eggs of a parasite attached to its back, because that meant it would soon be dead and no longer eating his tomatoes.
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Strictly speaking, a virus is a program that can't survive on its own; it's a program that installs itself as a parasite of another program to multiply and carry out sinister actions.
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The leech is a parasite.
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A fetus is a parasite, and if it weren't for the placenta protecting it, the mother's body would treat it as such.
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In lab experiments, when researchers blocked that pore the parasite stopped growing and eventually died.
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If one parasite defeats another parasite, none is better than the other. Both are disgusting in the eyes of the great Goddess.
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Woe to the braggart parasite. The crushing stone is falling overhead.
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In Saint-Louis, Senegal, aid workers are using another indigenous species, the prawn, to keep parasite levels in check in local rivers.
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Which parasite is the most resistant?
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The blood test, developed by researchers at Stanford University in California, looks for patterns of immune system activation to determine whether a person is infected with the malaria parasite, and not a bacterium or virus.
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The parasite creates a hive mind.
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This week, scientists at the Johns Hopkins Malaria Research Institute announced that they have identified a sugar in mosquitoes that the malaria-causing parasite [Plasmodium falciparum] needs. The sugar is essential for the parasite's movement within the midgut section of the mosquito's body.

The parasite started eating Stefan from the inside.

Researcher Rhoel Ramos Ding-lasan dissects the type of mosquito that transmits the malaria parasite, which kills about three million people worldwide each year. Experts say understanding and controlling the malaria parasite is one of the greatest scientific challenges of all time.

Symbiosis and commensalism must be distinguished from parasitism, which indicates that all the advantage is on the side of the parasite, and nothing but loss on the side of the host.

It was very difficult to determine what type of parasite that was.

Research has shown that ultraviolet radiation, exposure to pesticides and other chemicals, and parasitic infections all can cause deformities in amphibians. In the case of the parasite, the target is the base of the tadpole's tail, where the hind legs develop. Infected tadpoles grow into frogs with too many legs, abnormal legs, or sometimes no legs at all.

He, like Miriam Laufer's group, points out that chloroquine should not be re-introduced as a single therapy against malaria in places like Malawi where parasite resistance to it has faded.

One of the most destructive invasive species in North America's Great Lakes was also the first one to arrive. The sea lamprey invaded the Lakes more than a hundred years ago, and in all that time, no one's been able to get rid of it. It's the only invader in the Lakes that managers have been able to control, but it takes millions of taxpayers' dollars every year to keep the blood-sucking parasite in check.

There are four types of malaria parasite that typically infect people. The most common and deadly is Plasmodium falciparum, which goes through a number of life-cycle stages during which the parasite evolves into a different form.

A parasite known as kala azar is said to infect half-a-million people worldwide, killing up to 60,000 people each year. Spread through the bite of a sandfly, its symptoms are fever, weight loss and swelling of the spleen and liver.

In another just-released study in the journal The Lancet Infectious Diseases, scientists in Thailand have found widespread malaria parasite resistance to artemisinin and combination therapies using artemisinin, considered the gold standard treatment.

Researchers reporting in the journal The Lancet Infectious Diseases found that a lineage of the P. falciparum parasite, which causes the most dangerous form of malaria, is now becoming resistant to the most effective malaria drug, and the resistance is spreading.

Researchers at the Center for Infectious Disease Research at the University of Washington in Seattle, in conjunction with the Fred Hutchison Cancer Research Center, have developed a vaccine that uses the entire malaria-causing parasite — called P. falciparum — to stimulate a protective immune response.

Researchers weakened the malaria parasite by knocking out three genes that the organism needs in order to replicate in the human liver and re-emerge in the bloodstream to cause illness.

In the study, researchers identified the three genes tucked within the parasite's enormous genome that allow it to enter the bloodstream. By knocking out those genes, says Kappe, the altered parasite remained confined to the liver and the immune system began churning out protective antibodies.

In a Phase 1 clinical trial testing the vaccine's safety, the neutralized parasite was injected into 10 healthy human volunteers, where it stimulated a strong immune response without causing malaria.

She says many producers traditionally use drug treatments and live parasite vaccines against coccidiosis. But the coccidia parasite is increasingly resistant to drug treatment. Also, some of the drugs used to treat the disease are antibiotics. Many people are concerned about antibiotics in animals because of the increasing problem of drug resistance in humans.

Some of the most overlooked diseases around the world are parasitic infections, especially those caused by a kind of parasite called helminths. The group includes hookworms and schistosomes, among others. These worms, which live inside their host, are especially common in developing countries. As we hear from health reporter Rose Hoban, a new study found that if you're infected with one, you're probably infected with others, too.

Because food improved uptake of the drug, researchers also found a lower intensity of infection with the parasite S. mansoni in those who snacked. In addition, the youngsters who ate reported fewer side effects from the drug.

Experts say many people in Zanzibar and other parasite-endemic regions are usually infected with more than one type of worm.

People find out they are infected after passing the parasite in their stool or vomit.

The altered mosquitoes produce higher than normal levels of the immune system protein, Rel2. That activates a host of anti-parasitic molecules which, in turn, launch an all-out attack on the malaria parasite.

The parasite is a one-cell protozoa like ones you might have seen under a classroom microscope, floating around in fluid.

For years, microbiologists knew about this sort of grouping behavior in bacteria, but it had never been observed before in microbes like the sleeping sickness parasite.

The alien is a brood parasite.

Humanity is a parasite.

Man is a parasite.