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Sinossi

Be on your guard! You cant see them, but microscopic organisms are all around you. And some of them are looking for a new home inside you! From bacteria and viruses to protozoa and fungi, learn about tiny invaders that can cause serious illnesses.

Durata: 26 minuti (00:25:31)
Data di pubblicazione: 10/08/2017; Unabridged; Copyright Year: — Copyright Statment: —

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