In a small study, patients with the syndrome were more likely to experience reactivation of Epstein-Barr virus and high levels of a coronavirus protein. In a small study, patients with the syndrome were more likely to experience reactivation of Epstein-Barr virus and high levels of a coronavirus protein. your-feed-science, Coronavirus (2019-nCoV), Research, Vaccination and Immunization, Proteins, Disease Rates, Long Covid, Immune System, Blood, Tinnitus NYT > Science