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Viruses (vy-rus-iz) are very tiny micro-organisms.
Viruses are even smaller than bacteria.
Viruses can only grow and reproduce inside their hosts.
Humans, animals and plants are their hosts.
Most viruses cannot live long outside their hosts.
Some viruses can spread very fast inside our body.
They can make us sick.
Measles, chicken pox, polio, mumps and flu are caused by viruses.
AIDS is caused by HIV virus.
Viruses can also make plants and animals sick.
Viruses also effect bacteria.
Anyway viruses that effect plants cannot effect animals and human.
Viruses that effect human cannot effect plants and animals.
We use viruses to make vaccines.
Vaccines help our body to fight diseases.
Anyway these viruses are not the same as computer virus.
Computer viruses are not living things.
Germs are tiny living things that can make us sick.
They can make plants and animals sick too.
But some of them are good and useful.
We need to use a microscope to see them.
Germ Under A Microscope
Germs do not make their own food.
They get their food from their environment.
Environment means the surrounding or where we live.
Bad germs produce toxins which is something like poison.
The toxin can make us sick.
So when bad germs get into our body; they eat our nutrients, reproduce and make us sick.
There are 4 types of germs:
Mushrooms are fungi
Bacteria That Look Like Capsules
Protozoa That Look Like Capsules With Green Leaves Inside
A Virus That Looks Like A Spider With Jewel Head
Fungi are the biggest and viruses are the smallest.
Germs love to grow in dirty places and spreads very fast after a big flood, tsunami, earthquake and wars.
After natural disasters there will be cholera outbreak and other diseases from bacteria infections.
To fight germs we have to keep ourselves and our environment clean.
Always wash our hands using anti-bacteria soap and clean water, eat healthy food and drink a lot of water, juices, tea, herb tea and other healthy drinks.