**Virus Infection and Type I Interferon in Endometriosis**

Pia M. Martensen1, Anna L. Vestergaard1,3 and Ulla B. Knudsen2 *1Department of Molecular Biology, Aarhus University, 2Department of Gynecology and Obstetrics, Aarhus University Hospital, Skejby, 3Department of Biomedicine, Aarhus University, Denmark* 
