Scientists at the Australia-based Queensland Institute of Medical Research have given the green light to the establishment of "DNA Vaccines" as the obvious choice of the future (Biotechnology, Vol 3, No 5).

While the 2 earlier developments in vaccination included, first, using attenuated or killed forms of organisms, and second, using defined natural or recombinant components of whole organisms, researchers have suggested conclusively that the third generation vaccines will uiDise naked DNA for immunisation:gainst viruses, bacteria and parasites.