Virus Species Definition
Species form the basis for any biological classification system. The ICTV had adopted the principle that a virus species is a polythetic class of viruses that constitutes a replicating lineage and occupies a particular ecological niche.
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Famous quotes containing the words virus, species and/or definition:
“[If a woman athlete who had contracted the AIDS virus admitted that she] had been with one hundred or two hundred men, they’d call her a slut, and the corporations would drop her like a lead balloon.”
—Martina Navratilova (b. 1956)
“An unjust law is itself a species of violence. Arrest for its breach is more so.”
—Mohandas K. Gandhi (1869–1948)
“The man who knows governments most completely is he who troubles himself least about a definition which shall give their essence. Enjoying an intimate acquaintance with all their particularities in turn, he would naturally regard an abstract conception in which these were unified as a thing more misleading than enlightening.”
—William James (1842–1910)