Glossary

fold-change – a term relating to drug resistance after a phenotype resistance test.

4-fold resistance (also called a 4-fold loss in sensitivity) means you need to use four times the dose to get the same reduction in viral load.

in-vivo – a study carried out in humans.

viral load test – a test that detects whether a virus is present (qualatitive) or that measures the amount of virus (quantitative).

This is usually in a sample of blood, but a viral load test can also be used to check viral levels in other samples including genital fluid, semen or spinal fluid.

Results are given as the number of copies of virus in a millilitre of blood (copies/mL).

fibrotest – a test which uses results from blood tests to predict liver damage and which may become an alternative option to liver biopsy in some patients.

point of care – referring to you doctors office (or wherever you access care)