What is the shape and structure of European swine fever virus?

European swine fever virus (ESFV) is a large, enveloped virus with an icosahedral shape. It belongs to the Asfarviridae family and has a double-stranded DNA genome. The virus is characterized by its complex structure, featuring a lipid membrane derived from the host cell and numerous surface proteins that facilitate its entry into host cells. This structure is critical for its stability and infectivity in swine populations.