The protozoan (Plasmodium vivax) that causes the most common form of malaria.
Vivax 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

Historical Examples of 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