Source Mail Online: Could vaccine for a common virus stop multiple sclerosis? Doctors think they have discovered the cause of 
disease.
(Note: The researchers’ explanation is currently just a theory but they plan to carry out further research.)
A vaccine for avoiding multiple sclerosis has moved a step closer, as doctors believe they have discovered the cause of the disease. MS develops following two separate common infections which cause the body to attack itself, British research has found. And doctors now believe the development of a vaccine against one of the viruses may hold the key to future MS prevention. Read on.