SIV Definition
ĕsīvē
noun
Any of several strains of a retrovirus of the genus Lentivirus that cause an immunodeficiency syndrome similar to AIDS in primates by infecting helper T cells of the immune system.
American Heritage Medicine
Origin of SIV
s(imian) i(mmunodeficiency) v(irus)
From American Heritage Dictionary of the English Language, 5th Edition
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