If flashes of light or floaters occur suddenly or in great numbers, or if you are not sure what to do, do not wait for vision loss to occur before you call your doctor. If you cannot reach your doctor, go to the emergency room.
If viral RNA is detected, a positive result is reported; if viral RNA is. not detected, the test result is negative. â¢ Quantitative viral load tests â These tests measure the amount of virus in. one milliliter of blood. In the past the level of the viral load was correlated with.
RNA virus: A virus in which the genetic material is RNA. The RNA may be either double-or single-stranded. There are 6 classes of viruses.The DNA viruses constitute classes I and II. The RNA viruses make up the remaining classes. Class III viruses have a double-stranded RNA genome.NA virus: A virus in which the genetic material is RNA. The RNA may be either double-or single-stranded. There are 6 classes of viruses.