Multiple choice

'Contagium virus fluidum' refers to __________.

  1. polluted drinking water

  2. a fluid containing virus

  3. an infected drug

  4. a virus

  5. a disease
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Contagium vivum fluidum was a phrase first used to describe a virus and underlined its ability to slip through the finest-mesh filters then available, giving it almost liquid properties.

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