[ vī′văks ]
The protozoan (Plasmodium vivax) that causes the most common form of malaria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for vivax
The three most common species are vivax, malariæ and falciparum, causing respectively the tertian, quartan and remittent fevers.Insects and Diseases|Rennie W. Doane