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.
Viral Load Count A test known as a viral load count, a viral burden count, or an HIV RNA count, measures the amount of HIV in a drop of blood. If only a small amount of virus is present (say, less than 50-200 copies depending on the test), then the test cannot detect the virus.