DSJI technology has also been used for the delivery of DNA vaccines for malaria in young adults (Epstein et al. 2002; Wang et al. 2006 ) and an HIV-vaccine candidate (PATH 2009). A pilot study assessment of human papillomavirus vaccine has also recently occurred (PATH 2009) . PATH is also working to implement a new study of purified Vero cell rabies vaccine for ID post-exposure prophylaxis using a DSJI technology in India. Results of this study are anticipated in 2012. Other vaccine trials of ID vaccine delivery are planned for other applications including BCG, IPV, varicella zoster virus, H1N1 and yellow fever (PATH 2009).