Research ArticleOpen accessPhrase in the titleFormulation and Evaluation of a Novel Needle-Free Hepatitis B Surface Antigen Delivery SystemC. D. Licy, K. Premalatha, Annie Shirwaikar, Arun ShirwaikarProblem statement: Hepatitis B is a major public health problem, killing 1-2 million people annually, despite the introduction of an effective vaccine in 1982. Approximately 400 million persons worldwide have chronic hepatitis B. This is due to problems associated with vaccine delivery, stability and cost. Hence the present challenge in Vaccinology is to develop safer, cheaper and easy-to-deliver forms of … …Current Research in Medicine, Vol. 1, Issue 2 · 30 Oct 2010 · 6,819 accessesView PDFCite