Glossary

viral tropism see tropism.

median (average) – where the results are all arranged in numerical order and the middle of the range is taken as the (median) average. See mean.

What is an average.

amino acids – amino acids are the building blocks of proteins. DNA codes for amino acids. Three nucleotides (segments of the genetic code) make one amino acid. Amino acids are critical to life, and have many functions in the way your body works.

viral load – the amount of virus in a sample of blood or other fluid. With HIV this is commonly the amount of HIV in a millilitre (mL) of blood. See viral load test.

nucleus – the central part of some cells that contains DNA.