Reservoir - An organism in which a parasite that is pathogenic for some other organism lives and reproduces without harming its host.⏎
Reproduction - The process by which parent organisms create new offspring by either sexual or asexual means.⏎
Nanometer - A unit of length equal to one one-billionth (1 x 10-9) of a meter.⏎
Parasitism - A close relationship between two organisms in which one organism, the parasite, benefits at the expense of the host organism.⏎
Protozoa - A taxonomic group of single-celled microorganisms that live in almost every kind of habitat and include some pathogenic parasites of humans and other animals.⏎