We scientists have to preserve our status using jargon, you know. Plain speaking just wouldn't do. Anyway, once you master Paenibacillus and Mellisococcus pluton (or is it plutonius) you'll be able to impress (and bore) all your mates.
Viruses do have Latin names but they aren't use much. Deformed Wing Virus for example is an Iflavirus.
G.
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