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单词 infectious agent
释义
infectious agent
(once / 181836 pages)
n

WORD FAMILY
infectious agent: infectious agents
USAGE EXAMPLES
Prions are notorious protein-only infectious agents that cause invariably fatal brain diseases following silent incubation periods that can span a lifetime.
Nature(Nov 08, 2016)
This could include infectious agents humans might not be prepared for, or have immunity to, the scientists said.
Salon(Nov 05, 2016)
Duke veterinarian Bobby Schopler said the quick nature of the deaths made it unlikely that the animals succumbed to an infectious agent.
Washington Post(Oct 27, 2016)
n an agent capable of producing infection
Syn|Hypo|Hyper
infective agent
virus
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
pathogen
any disease-producing agent (especially a virus or bacterium or other microorganism)
arborvirus, arbovirus
a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis
bacteriophage, phage
a virus that is parasitic (reproduces itself) in bacteria
plant virus
a plant pathogen that is a virus consisting of a single strand of RNA
animal virus
an animal pathogen that is a virus
slow virus
a virus that remains dormant in the body for a long time before symptoms appear
tumor virus
a cell-free filtrate held to be a virus responsible for a specific neoplasm
vector
(genetics) a virus or other agent that is used to deliver DNA to a cell
agent
an active and efficient cause; capable of producing a certain effect
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