On May 5, 2014, it was announced John Krasinski would direct the film, with Krasinski, Anna Kendrick, Margo Martindale and Richard Jenkins joining the cast.
Epstein-Barr virus (EBV) is a ubiquitous herpesvirus spread by human contact with no know environmental reservoir. Antibodies are detected in 90 to 95% of adults worldwide. EBV infection is subclinical in 90% of children.
Epstein-Barr virus (EBV) is a ubiquitous virus that can cause both acute and chronic active infections. Primary EBV infection is usually asymptomatic, but it can cause active symptomatic infection, including infectious mononucleosis, which resolves spontaneously after EBV-specific immunity develops [1].