That's what you'd need if the test was for something. They're controls for comparison purposes, one you know is positive and one you know is negative. Compare the swab from the patient with the controls to see which it matches.
When you're testing something, you have to have a control to verify accuracy.
We have an entire department at my factory who's job is to make sure things are reading right. Special tools, equipment, and chemicals to be the "control" to ensure accurate reading.
The virus is a bad cold and all the bullshit about it is the hoax, but these posts do not help
Do you not understand what a "control" is?
I understand that That Test was NOT Created for Covid & this is a ScamDemic
That's what you'd need if the test was for something. They're controls for comparison purposes, one you know is positive and one you know is negative. Compare the swab from the patient with the controls to see which it matches.
When you're testing something, you have to have a control to verify accuracy.
We have an entire department at my factory who's job is to make sure things are reading right. Special tools, equipment, and chemicals to be the "control" to ensure accurate reading.
The virus is a bad cold and all the bullshit about it is the hoax, but these posts do not help