Influence of CMV/EBV Serostatus on Respiratory Infection Incidence During 4 Months of Winter Training in a Student Cohort of Endurance Athletes

The purpose of this study was to examine the influence of previous infection with cytomegalovirus (CMV) or Epstein Barr virus (EBV) on the incidence, severity and duration of upper respiratory tract infections (URTIs) in endurance athletes during a 4-month winter training period.