Answer:
I'll take a gander at your question
Step-by-step explanation:
1) Illnesses can be caused by anything really, if you have a virus that promotes illness to you. It'll usually just be symptoms or some low classifying illness.
2) The Difference between Antibiotics and Antivirals is that antibiotics take care of your wounds and basic illnesses like pneumonia. Antibiotics just make sure that you don't get infections.
3) Antivirals are used to fight off viruses. Antivirals work by preventing the virus from spreading any further than it already has. An Antiviral allows the host to recover slowly, but not yet be cured.
4) The problem with Antivirals, is that they're not cures or vaccines, they're only made to fight off the affects of the virus.
5) Keep in mind that some viruses, bacterium or cells have adapted to certain Antibiotics or antivirals. This makes it hard to find what the host needs.
6) Your immune system, allows you to be responsive to viruses, infections and illnesses. To develop an Immune System, a child will be born. The parent will have to nurture and care for the child, as the child needs help building their immune system.
7) From here on out, your immune system is entirely built from getting Sick. Your immune system needs to recognize what affects it, so that you gain immunity.
8) Vaccines are basically cures, they are used to prevent Viruses, like your average flu shot. Take the shot, Skip a Sick Day