virus
病毒,病毒性,病毒性疾病
Related Words
Definitions
- 1
plural vi·rus·es.
- : an ultramicroscopic, metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA or DNA core, a protein coat, and, in more complex types, a surrounding envelope.
- : a viral disease: He stayed home sick with a virus for nearly two weeks.
- : a corrupting influence on morals or the intellect; poison.
- : a segment of self-replicating code planted illegally in a computer program, often to damage or shut down a system or network.
Synonyms & Antonyms
Examples
By September 10, there was a 44 percent increase in the proportion of people over age 75 who have been diagnosed with the virus compared to the previous week.
These viruses circulate year-round in the tropics but are more common during the rainy season.
That is when Eckard Wimmer, a virologist at Stony Brook University, caused a sensation by creating infectious polio virus starting from only genetic instructions.
“Once a cell is infected, it is completely taken over by the virus, producing an astonishing number of viruses,” Ehre says.
By April, waves of workers who debone chickens or carve up pork elbow-to-elbow with their co-workers were falling ill from the virus.
The vaccine is delivered through a “carrier virus” that causes a common cold in chimpanzees but does not affect humans.
He became delirious, his heartbeat grew ragged, his blood teemed with the virus, and his lungs, liver and kidneys began to fail.
By May 27, five people had succumbed to the virus and 16 more were infected.
The current FDA-approved measles vaccine consists of live but weakened measles virus that is injected into the arm.
The fact that the virus is still alive has sustained many safety concerns, both rational and irrational, about its use.
If there is neuritis from the virus it becomes intense and causes muscular contractions, paresis, and paralysis.
(p. 442) But it was the more poisonous virus of Secession which finally laid their proud city low.
The scientists of Sator knew that the virus was virulent; in fact, too virulent for its own good.
They knew that shortly after every Nansalian died, the virus, too, would be dead.
It killed the host every time, and the virus could not live outside a living cell.