Sentences with phrase «infected host animal»

Juvenile heartworms are called microfilaria and circulate in the blood of an infected host animal (usually a dog).

Not exact matches

Rabies (and rabies virus, its causative agent) is usually transmitted through the bite of an infected animal into muscle tissue of the new host.
This March it found signs of white - nose infected animals in two small caves — one hosting fewer than 10 bats and the other with around 60.
Combing the genetic data from a transmission study in ferrets, a team led by Thomas Friedrich, a professor of pathobiological sciences at the University of Wisconsin - Madison School of Veterinary Medicine, found that during transmission, when one animal is infected by another through sneezing or coughing, the process of natural selection acts strongly on hemagglutinin, the structure the virus uses to attach to and infect host cells.
These animals are common hosts for the influenza virus, which comes in a wide range of strengths and types — some of which can infect humans.
Since the sexual reproduction stage of malaria only occurs in insects, Poinar said in the new study that they must be considered the primary hosts of the disease, not the vertebrate animals that they infect with disease - causing protozoa.
«Animal viruses typically have all genome segments packaged together into a single viral particle, so only one of those particles is needed to infect a host cell,» Ladner explained.
Salmonella Dublin is «host adapted» in cattle, meaning infected animals can become permanent or long - term carriers, putting herd mates, especially susceptible calves, at risk.
For a long time, the prevailing idea was that parasites and pathogens evolve to target a particular host and as they get better at infecting a specific animal or plant, they become less effective at infecting other organisms.
Virologist Earl Brown of the University of Ottawa points out that passaging a virus from one animal to another increases the virulence of the germ for the newly infected species and decreases its virulence for the original host.
Few of them that infect humans had been found in animals, and most astrovirus types had been found in just a single host species.
Scientists are also using gene chips to detect genes that the bacteria «turns on'to infect its animal host.
A mosquito bites an infected animal and then is an intermediate host, spreading the parasite when it bites other animals.
While heartworms can infect more than 30 species of animals, such as ferrets, domestic cats, foxes, and other wild animals in the dog family, canines are considered the definitive host for these devastating worms.
Cats get infected when they eat slugs or snails that act as the intermediate host or they eat the birds or animals that consume the infected slugs or snails.
Once ingested by another animal, the larvae hatch and infect the new host.
There are many types of lungworms identified, which in varying ways infect animals and migrate to the lungs and lower respiratory tract of their chosen host, causing a variety of respiratory problems such as bronchitis and pneumonia.
Although these different rabies variants prefer certain hosts, they are capable of infecting all warm - blooded animals, including pets and people.
(Click Here) Intestinal parasites are organisms that infect people or animals, living in the intestines and robbing the host of nutrients.
Even the most effective tapeworm medicines will not prevent re-infection if there are adult fleas or lice in a dog's environment, or if the dog has access to rabbits, rats, rodents or other infected intermediate host animals.
The definitive host is the dog, but it can also infect cats, wolves, coyotes, jackals, foxes, and other animals, such as ferrets, bears, sea lions and even, under very rare circumstances, humans.
When the mosquito bites another dog, cat, or wild animal, the infected larvae are deposited onto the surface of the animal's skin and enter the new host through the mosquito's bite wound.
It is ingested when cats eat another animals» feces or infected intermediate hosts such as rodents and rabbits.
The mites can and do infect humans and other animals, but they prefer dogs when seeking hosts.
To acquire the disease, the host cat must consume raw meat or live animals that are infected with toxoplasmosis.
The definitive host is the dog but it can also infect cats and other animals.
According to the American Heartworm Society, dogs are considered the definitive host for heartworms; however, heartworms may infect more than 30 species of animals, including cats and humans.
In addition, the eggs may be eaten by another animal («intermediate host») such as a small rodent (for example a mouse or rat), and a cat can be infected by preying on (eating) the infected intermediate host.
Dogs are considered the most common host for heartworms, however heartworms may also infect more than thirty species of animals (including coyotes, foxes, wolves, domestic cats, ferrets) and even humans, though transmission from animal to human (zoonotic infection) is extremely rare.
Another possible mode of infection includes ingesting an infected intermediate host; this will typically be a prey animal, such as a bird or mouse.
Several different species of tapeworms may infect our animals, each with different intermediate hosts.
The tick will bite its host and the saliva will infect the animal.
Gueirard, P. et al, Human Bordetella bronchiseptica Infection Related to Contact with Infected Animals: Persistence of Bacteria in Host Journal of Clinical Microbiology, 1995
When an infected animal is bitten by a mosquito, it not only ingests the blood, but also the microfilaria contained in the host's blood.
Mosquitoes serve as the vector or host of the heartworm larvae, picking up the larvae with their blood meal when an infected animal is bitten.
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