Sentences with phrase «by a parasite spread»

Not exact matches

At the micro-level, the food and agribusiness sector is seeing an increase in the virulence of microorganisms and parasites, known pathogens spreading to novel geographies, and the continued rise of antimicrobial resistance.67 Global use of antimicrobials in livestock is expected to rise by 67 % by 2030 to 105,596 tons.68 China's livestock industry alone could soon be consuming almost one third of the world's available antibiotics.

Gene drives enable a gene to spread rapidly through a population; there are plans to use them to combat mosquito - borne diseases by making the flies sterile or unsuitable as hosts for various viruses and parasites.

Here the parasite is spread primarily by Triatoma dimidiata, a type of «kissing bug.»

In particular, the influence of warmer temperatures on moose nutritional condition and moose parasites, including a fatal brain worm parasite that is spread by white - tail deer, which have moved farther north into moose territory as the climate has gotten milder.

Finally, with Luciana's immune system crippled by drugs, the parasite spread to her limbs.

This will provide information that could be used to illuminate how malaria — a disease which causes more than half a million deaths a year — is spread from human to human by parasite - infected female mosquitoes which bite people to feed on blood they need in order to reproduce.

Researchers have been tracking the spread of artemisinin - resistant parasites first by looking for signs in patients, and later by using multiple mutations in the parasite's Kelch13, or K13, gene, as molecular markers for resistance.

More recently, researchers like Paul Epstein of Harvard Medical School have raised the alarm that a balmier planet could also assist the spread of infectious disease by providing a more suitable climate for parasites and spreading the range of tropical pathogens (see # 8).

Diarrhea is often — but not always — infectious, meaning that it is thought to be caused by a microbe such as a virus, bacterium or parasite that can spread from person to person.

When an alien species enters a new ecosystem, it can alter the environment in a number of ways: by eating native species (in its 50 years on Guam, the Australian brown tree snake has eliminated 9 of 13 native bird species); by spreading disease among them (introduced birds in Hawaii thrive in part because they are far less susceptible to the avian malaria parasite, also an introduced species, than native birds are); or by altering the environment in such a way that favors themselves (like melaleuca, an Australian tree that is spreading through the Everglades in part by changing the frequency and intensity of fires).

Thus, gene drive could be used to reduce malaria transmission in humans — or in endangered birds (see image, above)-- by making the mosquito vectors incapable of spreading the malaria parasite or even eliminating the insects altogether.

A serious and sometimes fatal infectious disease that is spread by infected mosquitoes, malaria and its parasite Plasmodium falciparum, is responsible for nearly 450,000 deaths every year, the majority of them children under the age of five.

Caused by bacteria, parasites and viruses, these diseases are spread through bites, excrement and dirty water stemming from substandard housing and sanitation.

In addition, the parasite can be spread through foods and juices tainted by the contaminated bug feces.

The researchers compared a modern - day map from 2007 that shows the spread of infection by the malaria parasite Plasmodium falciparum throughout the world to a similar map constructed in 1900.

By changing milkweed chemistry, soil microbes alter the spread of a crippling monarch parasite

Three factors suggest that honeybees are spreading the parasites into wild bumblebees: honeybees have higher background levels of the virus and the fungus than bumblebees; bumblebee infection is predicted by patterns of honeybee infection; and honeybees and bumblebees at the same sites share genetic strains of DWV.

The two researchers found that schizophrenics often carried antibodies for toxoplasma, a parasite spread by house cats; Epstein - Barr virus, which causes mononucleosis; and cytomegalovirus.

Malaria is caused by a single - celled parasite called Plasmodium that spreads from person to person through mosquito bites.

Malaria is caused by Plasmodium, a microscopic parasite spread to humans by mosquitoes.

Research by Lancaster University published in the open access journal Parasites and Vectors suggest that using bacterial controls to stop the spread of leishmaniasis could sometimes have the opposite effect to that intended, by benefiting flies carrying the parasite.

The river blindness parasite spreads among people bitten by certain black flies that live near fast - flowing...

Dr. Jonathan Kurtis, professor of pathology and laboratory medicine at Brown, made global headlines last year when he and colleagues revealed a promising protein that combats malaria by preventing the parasite from exiting red blood cells to spread.

Severe forms of malaria infection are caused by the parasite Plasmodium falciparum, which is spread by mosquitoes.

The normal acidity of a healthy stomach helps prevent bacteria and parasites from spreading by killing and digesting them.

These parasites can be spread by soil contaminated by human feces.

Heartworms are parasites that are spread by the bite of an infected mosquito.

This parasite can be spread by mosquito and it usually doesn't present with symptoms until about 6 months after infection.

«Veterinarians, shelter volunteers and pet owners can fight the spread of heartworm and other dangerous diseases by administering a topical parasiticide like Vectra ® 3D, which kills and repels mosquitoes and other dangerous parasites, the moment those dogs come into their care.»

This parasite is spread by mosquitoes, so can be transmitted to any dog, even one that rarely goes outside.

Spread by the bites of mosquitoes, heartworms are a deadly kind of parasite.

«How are marine mammals from the Arctic Circle to Australia infected by a parasite that is spread primarily through the consumption of infectious cat feces and infected meat?»

But now the parasite toxoplasmosis, spread by feral cats, means he is losing many of those lambs before they are born.

Dogs may become infected with heartworms, a parasite spread by mosquitoes.

If the stool is allowed to sit on the yard, the parasites are spread into a wider area by rain or water from sprinklers.

Infectious diseases, such as distemper, are caused by pathogens, including bacteria, viruses, parasites or fungi, which spread from one animal to another.

RHD is spread by direct contact between rabbits (both wild and domesticated) but also via indirect contact such as from people, clothing, on shoes, other objects, fleas and other parasites.

Heartworm disease is a life - threatening parasite, spread by mosquitoes and causing significant damage within the heart and lungs.

Most of these parasites are spread by fecal - oral contamination - stepping on another animal's stool, then grooming the paws and ingesting it, such as sharing a litterbox, or by eating grass that some animal has defecated on up to 2 years earlier, because that is how long some eggs can exist in the environment.

Many of the services provided by environmental health personnel are directly related to animals (including animal bites, and stray animal and wildlife control) and pests (such as ticks and mosquitoes), as well as the diseases they harbor and spread (for example rabies, Lyme disease, viral encephalitis, West Nile Virus, and intestinal parasites such as Giardia and roundworms).

We have all heard of the yearly hurricane forecasts made by the National Oceanic and Atmospheric Administration, now the Companion Animal Parasite Council is predicting that in 2016 the spread of vector - borne disease agents transmitted by ticks and mosquitoes will continue to promulgate and create a year - round menace to both pets and pet owners.

It began with the recognition that one of the avermectin derivative compounds, ivermectin, was effective in treating Onchocerca volvulus, the worm parasite responsible for causing River Blindess, a disease that is spread by the bite of the black fly and infects 16 million people a year world wide.

Vectors spread parasites and organisms by biting an infected animal then transporting the disease when they bite healthy animals.

If your puppy has fleas, he may well have tapeworms too because these internal parasites are spread by infected fleas.

Mosquitoes spread the disease by injecting the parasite into your pet at the time of the bite.

Heartworm is a parasite that is spread by mosquito bites.

These parasites are spread by mosquitoes and make their home in your pet's heart.

Witness, for example, a paper published earlier this year in the Journal of Wildlife Diseases, in which the authors suggest that outdoor cats pose a threat to Hawaii's state bird, the Nene (or Hawaiian goose), by spreading the parasite Toxoplasma gondii.

He suffered from a strain of the blood parasite babesia, which is spread among dogs forced to fight by way of bites.

Heartworms (Dirofilaria immitis) are blood parasites that are transmitted by mosquitoes in much the same way malaria is spread in people.