vivaxn.
/ˈvʌɪvaks/, U.S. /ˈvaɪˌvæks/ Medicine.
The specific name of a protozoon of the genus Plasmodium, used absol. and attributively to denote the organism and attributively with reference to the relapsing type of malaria it causes, in which paroxysms occur every third day and which is usually not fatal. Frequently printed in italic.
ΘΚΠ
the world > health and disease > ill health > a disease > fever > [adjective] > malaria > types of
subtertian1869
aestivo-autumnal1890
falciparum1930
vivax1930
the world > animals > invertebrates > protozoa > class Sporozoa > subclass Teleosporidia > [noun] > order Coccidia > member of genus Plasmodium
malaria germ1898
malaria parasite1898
vivax1930
1930 M. F. Boyd Introd. Malariol. ii. 49 The extent of gametocyte production appears to vary directly with the intensity of injection, at least in cases of vivax and falciparum infections.
1946 Jrnl. Amer. Med. Assoc. 20 July 964/1 The patients were military personnel who had acquired vivax infections in the Pacific or Mediterranean theaters of operation.
1955 Sci. News Let. 23 July 52/1 The Negro seems to have a general resistance to strains of vivax from all areas.
1958 N. F. Leopold Life plus 99 Years xxi. 321 Vivax malaria is also known as tertian malaria because, once the trophozoites have fallen into step and got synchronized, they sporulate every forty-eight hours.
1983 D. J. Weatherall et al. Oxf. Textbk. Med. I. v. 394/2 The vivax resistance factor [in many black Africans] is a blood group determinant.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021).
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n.1930