Human Papillomavirus vaccine formulations which contain virus-like particles (VLPs) can be made more stable and have an enhanced shelf-life, by treating the VLPs to a disassembly and reassembly process. Also provided are formulation buffers to long term stable storage of VLPs....http://www.google.com/patents/US6245568?utm_source=gb-gplus-sharePatent US6245568 - Human papilloma virus vaccine with disassembled and reassembled virus-like particles
