pathogen virus agent

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• Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses …   Wikipedia

• Virus classification — is the process of naming viruses and placing them into a taxonomic system. Similar to the classification systems used for cellular organisms, virus classification is the subject of ongoing debate and proposals. This is mainly due to the pseudo… …   Wikipedia

• Pathogen — A pathogen (Greek: πάθος pathos, suffering, passion and γἰγνομαι (γεν ) gignomai (gen ) I give birth to ) or infectious agent colloquially, a germ is a microbe or microorganism such as a virus, bacterium, prion, or fungus that causes disease in… …   Wikipedia

• Virus — A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with… …   Medical dictionary

• pathogen — Any virus, microorganism, or other substance causing disease. [patho + G. gen, to produce] behavioral p. the personal habits and lifestyle behaviors of an individual which are associated with an increased risk of physical illness and dysfunction …   Medical dictionary

• Virus, attenuated — To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin prefix ad , meaning to or toward, and tenuis, meaning thin. The use of attenuate in medicine is not new. In the 16th century, eating dried… …   Medical dictionary

• pathogen — noun Etymology: International Scientific Vocabulary Date: 1880 a specific causative agent (as a bacterium or virus) of disease …   New Collegiate Dictionary

• pathogen — (path o jěn) Any virus, bacterium, or other agent that causes disease …   Dictionary of microbiology

• pathogen — /path euh jeuhn, jen /, n. any disease producing agent, esp. a virus, bacterium, or other microorganism. [1940 45; PATHO + GEN] * * * …   Universalium

• pathogen — path•o•gen [[t]ˈpæθ ə dʒən, ˌdʒɛn[/t]] n. mcr any disease producing agent, esp. a virus, bacterium, or other microorganism • Etymology: 1940–45 …   From formal English to slang

• pathogen —   n. disease causing agent such as virus.    ♦ pathogenic, a. causing disease …   Dictionary of difficult words