BST2 and infection: Bone marrow stromal cell antigen 2 (BST2), also known as tetherin, plays an important role in cellular antiviral response during infection by enveloped viruses mainly by preventing virus release as have been shown on human immunodeficiency virus 1 (HIV1) and Ebola virus (Gupta et al., 2009; Vande Burgt et al., 2015).