[f. VACCINE sb.] A person (esp. a child) acting as the transmitter of vaccine virus.
1868. Ballard, Vaccination, 355. The admixture of blood from the vessels of the syphilitic vaccinifer.
1878. T. Bryant, Pract. Surg., I. 94. When the blood of a syphilitic vaccinifer is transferred … to a non-syphilitic subject.
1888. Encycl. Brit., XXIV. 24/2. The circumstance that the calf … becomes the vaccinifer, instead of the child.
Hence Vacciniferous a.
1885. Harries, trans. Warlomont’s Anim. Vaccination, 23. The vacciniferous property of ‘the grease.’
