Most of us will be infected with the Epstein-Barr virus (EBV) during our lives. Researchers recently claimed that the virus causes multiple sclerosis (MS), and Moderna has already started an mRNA vaccine trial. At the same time, another recent study explores therapeutic avenues for treating the virus. A team led by scientists at Harvard T.H. Chan School of Public Health recently published research in Science that says EBV, a member of the herpes virus family, is likely the cause for multiple sclerosis (MS). Because EBV can’t be prevented, the researchers say a vaccine could be the answer. On Jan. 5, Moderna announced it was trialing a vaccine for EBV. It uses mRNA technology, which was first used in the COVID-19 vaccines. The research is known as the Eclipse trial. The Harvard study was released Jan. 13. The Epstein-Barr–MS Link You can catch EBV most commonly from saliva. It can lead to …