Answer the following questions about Smallpox:
Where did they occur?
How did they start?
How did they spread?
How deadly are they?
Is there a vaccine?
Find out if the virus is gone, or is it still a problem.

 Smallpox is thought to have originated in India or Egypt at least 3,000 years ago. The earliest evidence for the disease comes from the Egyptian Pharaoh Ramses V, who died in 1157 B.C. His mummified remains show telltale pockmarks on his skin. -Geographic.com

The origin of the disease is lost, but is said to have been a natural disease.  

The disease was spread between people or contaminated objects.

It is a deadly virus, usually 80% of infected children passawy from the virus and between 21 and 60% of all infected individuals died from the disease.  It is safe to say tat this virus/disease was deadly and killed many.  

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added