Abstract: A swivel clip for decorating a strap is provided. The swivel clip comprises a pin and an attachment. The pin has a front/exposed face, a rear face and a stud projecting from the rear face. The attachment comprises an attachment body with a hole sized and configured to tightly fit the stud therein. The attachment also comprises first and second arms defining spaces with the attachment body, for receiving the straps therein. The pin and attachment are reversibly attachable to one another, wherein in a connected configuration, the stud is snapped in the hole of the attachment. A method of ornamenting a strap with the swivel clip is also provided.

Abstract: Microbubble-assisted delivery of viruses is disclosed. In particular, methods for targeting a virus to cancer cells in an immunocompetent animal by administering a selectively replicating virus to the immunocompetent animal and disrupting the microbubbles in a location of the animal comprising cancer cells are provided. The virus is encompassed in a suspension of microbubbles, and the surface of the suspension does not include any virus. A suspension of microbubbles comprising a selectively replicating virus that is encompassed in a suspension of microbubbles, which does not include any virus on the surface of the suspension, is also provided.