English Dictionary

pathogen

IPA（発音記号）

/ˈpæθədʒn̩/

名詞

(pathology, immunology) Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

日本語の意味

病原体：病気を引き起こす能力を持つ微生物や物質。具体的には、細菌、ウイルス、原虫、真菌などが含まれ、病原性は微生物の場合はその個体数が十分な大きさに達して初めて現れる。

A normally harmless bacterium can become a pathogen once it multiplies to a sufficient population size in the host.

通常は無害な細菌でも、宿主内で十分に増殖すると病原体になり得る。

意味（1）

(pathology, immunology) Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

In his first book since the 2008 essay collection Natural Acts: A Sidelong View of Science and Nature, David Quammen looks at the natural world from yet another angle: the search for the next human pandemic, what epidemiologists call “the next big one.” His quest leads him around the world to study a variety of suspect zoonoses—animal-hosted pathogens that infect humans.

pathogens （ plural ）