Bacteria, viruses and fungi are microorganisms.

All bacteria are bad for humans.

Yakult contains bacteria.

We treat bacteria with:

Some bacteria are useful in food fermentation. Some examples are:

Viruses are not living beings.

Viruses need to be inside another living being to exist.

Viruses are:

Viruses can live inside bacteria.

Viruses can cause diseases like:

To prevent (avoid) diseases caused by viruses, we need:

There is a vaccine for every virus.

Fungi are bigger than bacteria or viruses.

Fungi can be found:

We can use fungi to make food.

Some examples of food we can make with fungi:

We can see microorganisms with our eyes.

To prevent diseases and avoid getting infected, we need to: