This document provides vaccine delivery devices and methods for vaccinating an animal (e.g., a mammal). For example, vaccine delivery devices that include a container having one or more openings, a vaccine depot located within the container, and a diffusion barrier located within the container in a manner such that material (e.g., an antigenic vaccine component) within the vaccine depot must pass through the diffusion barrier before reaching one of the openings are provided.
US 2016/0030146 A1
Iowa State University Research Foundation, Inc.
Jones, Douglas E.; Brewer, Matthew; Narasimhan, Balaji; and Jackman, John K., "Vaccine delivery devices" (2016). Iowa State University Patents. 331.