Sentences with phrase «animal or human hosts»

Was it mutations in the genome of Y. pestis or changes in the susceptibility of animal or human hosts — or both?

Not exact matches

If dozens of human and animal studies published over the past six years are borne out by large clinical trials, nicotine — freed at last of its noxious host, tobacco, and delivered instead by chewing gum or transdermal patch — may prove to be a weirdly, improbably effective drug for relieving or preventing a variety of neurological disorders, including Parkinson's disease, mild cognitive impairment (MCI), Tourette's and schizophrenia.

Scientists aren't yet certain which animal is the natural host to the Ebola virus or how the virus moves from animals to humans, but fruit bats are prime suspects, noted David Hayman, a senior lecturer in veterinary public health at Massey University in New Zealand.

Those parasites can reproduce in human or animal hosts, but the offspring have developmental defects and die in the mosquito portion of their life cycle, Christopher D. Goodman of the University of Melbourne and colleagues discovered.

In particular, he says he is concerned that this patched - together virus might not be stable and could easily reassort with other viruses encountered in a human or animal host.

«If we can tell the human iPSCs in an animal host to develop into a kidney or other organ, for example, it could provide an entirely new source for transplant tissues,» says Izpisua Belmonte.

Thus, anti-disease vaccines (those reducing in - host replication or pathogenicity) have the potential to generate evolution harmful to human and animal well - being; infection - or transmission - blocking vaccines do not [2 — 9].

All living things have an ecosystem of bacteria that live symbiotically with their human or animal hosts.

These eggs drop out onto rugs, upholstery, bedding and furniture; the new adult fleas will, in turn, find their living host (either human or animal).

Ticks are parasites that attach themselves to an animal (or human) and feed on the blood of their host.

Horses are dead - end hosts to EEE, WEE, and SLEV, which means that they usually do not spread these viruses to other animals or humans.

Mother Nature endowed these tiny, sometimes dangerous parasites with all the physical attributes they need to survive and thrive: latch on to unsuspecting passerby, firmly attach to their human or animal host, and feed -LSB-...]

Common bed bugs will feast on humans or animal hosts.