1801852 HSV-1 and -2 herpes simplex virus types 1 and 2 39 2608398 HSV-1, -2 herpes simplex virus 1 and 2 7 2608391 HSV 1-2 herpes simplex virus type 1-2 3 2608389 HSV1,2 Herpes simplex viruses types 1 and 2 3