The Infectious bronchitis virus D-RNA is an RNA element known as defective RNA or D-RNA. This element is thought to be essential for viral replication and efficient packaging of avian infectious bronchitis virus (IBV) particles.
Famous quotes containing the words infectious and/or virus:
“Paganism is infectious—more infectious than diphtheria or piety....”
—E.M. (Edward Morgan)
“If I knew for a certainty that a man was coming to my house with the conscious design of doing me good, I should run for my life ... for fear that I should get some of his good done to me,—some of its virus mingled with my blood.”
—Henry David Thoreau (1817–1862)