Immune tolerance in Calomys callosus infected with Machupo virus.
D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D001103:Arboviruses / Q000276:immunology*; D006385:Hemagglutination Inhibition Tests; D007108:Immune Tolerance; D009500:Neutralization Tests; D012377:Rodentia