Glossary

mL (millilitre) – a measure of a volume of liquid. 1000 millititres = 1 litre.

CDC – Centre for Disease Control, part of the USA health administration.

protozoa – a single-celled animals that are larger and more complex than bacteria.

platelet – a blood cell that helps with blood clotting.

prophylaxis – a treatment taken before an illness in order to prevent it occuring. Primary prophylaxis is the terming for taking a preventative treatment before ever having had the illness. Secondary prophylaxis is the term for continuing to take a treatment to prevent the illness coming back.