Negative-strand RNA virus: Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of RNA that is the negative or antisense strand which does not encode mRNA (messenger RNA). Examples of negative-strand RNA viruses include influenza virus, measles viruses, and rabies virus.

There are two types of RNA viruses. Some are positive in that they have a "sense" strand of RNA (coded information about how to build proteins ) as their genetic material. And other RNA viruses tare negative in that they have an " antisense " strand (the paired opposite of the coded information). Negative-strand or antisense-strand RNA viruses are as opposed to positive-strand or sense-strand RNA viruses.

See also: Positive-strand RNA virus .

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