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.
Definition. Epstein-Barr Virus (EBV) is a common human virus that causes infectious mononucleosis and plays a role in the emergence of two rare forms of cancer: Burkitt's lymphoma, and nasopharyngeal carcinoma. Some doctors and medical textbooks describe and diagnose EBV as infectious mononucleosis and vise-versa.pstein-Barr virus is in the herpes family of viruses and most people will become infected with EBV sometimes during their lives. In the United States, as many as 95 percent of adults between 35 and 40 years of age have been infected.