Disease+and+Infection

__Disease and Infections __ = =

are bad, the bad ones are called **Bacteria** and **Viruses** The bad microorganisms that causes infectious disease are called a **Pathogens.** Bacteria reproduce inside the body while viruses reproduces inside the cell destroying it inside out. Viruses are 1000 times smaller than a **Bacterium.** A bacteria can produce waste substances called **Toxins** (poisons) that can make you feel dreadful
 * Microorganisms ** are living things that are very little that you need a microscope to be able to see it. Not all of the microorgansms

Here is a link to a good website: Disease and Infections


 * Epidemic:** when wide spread of people have a disease
 * Pandemic:** when the disease affects a whole country or spreads worldwide