Infection is the entrance of a disease-causing agent (like bacteria, protozoa, fungus, or virus) to the body, where they subsequently multiply. Infectious disease is the result of this event.
protozoa Protozoa are microscopic organisms. They usually exists as a single, independent cell. Examples include the parasites giardia lamblia, toxoplasma gondii and babesia.
The information provided at this site is not intended to diagnose or treat any illness.From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.