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Germs are so small and sneaky that they creep into our bodies without being noticed. In fact, germs are so tiny that you need to use a microscope to see them. When they get in our bodies, we don't know what hit us until we have symptoms that say we've been attacked!
There are germs, also called microbes, in the air; on food, plants and animals; and in the soil and water. Germs are on just about every surface, including the human body. Most germs cause no harm.
What are germs? Germs are microorganisms. This means that they can be seen only through a microscope. They can be found everywhere - in the air, soil, and water. There are also germs on your skin and in your body. Many germs live in and on our bodies without causing harm. Some even help us to stay healthy. But some germs can make you sick.
The main types of germs are bacteria, viruses, fungi and protozoa. Some germs are good for you and keep you healthy. Other germs can cause harm and even be dangerous.
Infectious diseases are caused by four main kinds of germs. Vaccines, proper hand washing and medicines can help prevent infections. Discover more.
Germs include 6 types of microorganisms: viruses, bacteria, viroids, prions, fungi and protozoa. All of them are pathogens.
Germs are the microorganisms behind many common sicknesses, like the flu. Our experts share what exactly germs are, how they spread for kids and how to avoid them.