8 thoughts on “ Virus ”

  1. The Oregon Health Authority is responding to an outbreak of respiratory illness, called COVID, caused by a novel (new) coronavirus. Health officials urge good hand hygiene, covering coughs and staying .
  2. Aug 18,  · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause disease in host organisms. Learn about the history, types, and features of viruses.
  3. Virus definition is - any of a large group of submicroscopic infectious agents that are usually regarded as nonliving extremely complex molecules, that typically contain a protein coat surrounding an RNA or DNA core of genetic material but no semipermeable membrane, that are capable of growth and multiplication only in living cells, and that cause various important diseases in humans, animals.
  4. virus [vi´rus] any member of a unique class of infectious agents, which were originally distinguished by their smallness (hence, they were described as “filtrable” because of their ability to pass through fine ceramic filters that blocked all cells, including bacteria) and their inability to replicate outside of and without assistance of a living.
  5. May 30,  · Sometimes a virus can cause a disease so deadly that it is fatal. Other viral infections trigger no noticeable reaction. A virus may also have one effect on Author: Peter Crosta.
  6. The JC virus, or John Cunningham virus, is a common germ. More than half of all adults have been exposed to it. It doesn't cause problems for most people, but it can be dangerous if you have a Author: Sunny Sea Gold.
  7. Mar 19,  · COVID is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any symptoms. Most people will have mild symptoms and get .
  8. A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. At.

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