The word "pathogen" is correct and usable in written English.
You can use it when referring to a disease-causing agent, such as a virus or bacteria. For example, "The pathogen responsible for the outbreak has yet to be identified."
Even though EU regulations should prevent plants being exported from regions known to have a named pest or pathogen, the accidental import to the UK of sweet chestnut nursery stock recently from an area in France – which was supposedly free of the disease but wasn't – shows the system simply isn't working well enough.
Moreover, those carrying dormant vivax parasites in this way cannot be identified, which means there is a huge reservoir of infected people who are in effect invisible.That is not a bad strategy for a pathogen.
She thought the pathogen fitted all the journal's criteria for publication.
Civil servants blame EU trade rules, which prevent bans on agricultural imports if the offending pathogen is already widespread at home.
Antibodies are proteins that stick onto a pathogen and gum up its works.
To do that, they drew blood from their patients and exposed the immune-system cells within each sample to bits and pieces of cytomegalovirus, in order to encourage those cells to develop the power to identify the pathogen.
A crude nuclear device or efficiently spread biological pathogen could kill tens of thousands.
"The more danger a pathogen poses," Dr Palese writes, "the more important it is to study it (under appropriate containment conditions), and to share the results with the scientific community".Others disagree.
No one now knows how easy it would be to turbo-charge an existing human pathogen, or take one that infects another type of animal and assist its passage over the species barrier.
Michael Tlusty, a biologist at the New England Aquarium, in Boston, has spent years studying it, yet has been unable to isolate a specific bacterium or other pathogen routinely from the lesions.Kathy Castro, a fishery scientist at the University of Rhode Island, led an eight-year study of shell disease.
Each of the versions of this protein that exist in every individual is capable of locking onto and neutralising a different invading pathogen, by interacting with different molecules on the pathogen's surface.
