Ebola is a virus and part of the negative-stranded RNA family known as filovirus. It was discovered in 1976 in Africa and was named after a river in Zaire. When the virus is looked at under an electron microscope the filoviridae appear as being long, thin and occasionally they have 'branches' sprouting from one place or another. Ebola can also take the form of a 'U' or a 'b'. There are four known strains of the virus; they are Ebola Sudan, Ebola Zaire, Ebola Reston and Ebola Tai. Ebola Reston only causes disease in monkeys but as the rest ....