1 Reply to “ Fields Of Yellow - Fergessen - Far Est (CD) ”

  1. Apr 01,  · Foot and mouth virus, in , was the first “filterable agent” to be implicated in animal disease, 15 and yellow fever virus, in , was the first to be implicated in human disease. 16 Biochemical analysis of viruses proceeded apace, but it was not until the advent of the plaque assay in that their particulate nature could be proven.

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