Wanted: Germs

Just in time for the flu season! Germs are everywhere. Some are useful, and some are not. Often called pathogens (Greek for “the causes of disease”), the four types of unfriendly germs (bacteria, viruses, parasites, and fungi) have been known do away with millions of people throughout the history of the world. If you think of them as gang members, here are the varmints you should be keeping an eye out for. Click the image below for a larger version. (Text courtesy Kids Discover magazine.)

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