Welcome to Level 5. Here on biosafety level 5 we deal with viruses. Not your common flu bug, but viruses with such destructive power, they make the flu bug look like a toy gun. Here we are talking about viruses so dangerous, just a particle of some of them on your skin and you will be dead in hours. We are talking about deadly viruses. Beautiful creatures that happen to be lethal to us. Some say they are Earth's defenders, her antibodies, created to rid Earth of us parasites, who are slowly killing the Earth. Others say they are aliens with harmful intent, here to exterminate the Earth's population. Contained here is information about the most effective of the viruses, and it's up to you to decide for yourselves whether the viruses are aliens, or antibodies, or some other mysterious beings with other purposes in mind...