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People talk a lot about germs, but what actually are they? Open the pages of this friendly book to find out. Discover what bacteria and viruses are, how they can spread and lots of different ways to stop them.
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Gelince Haber VerPeople talk a lot about germs, but what actually are they? Open the pages of this friendly book to find out. Discover what bacteria and viruses are, how they can spread and lots of different ways to stop them.
