New Delhi, March 30 -- Typically, only one in ten experimental vaccines make it all the way through to regulatory approval. Therefore, different approaches mean the chances of success are higher. At present only one vaccine has entered the human trials stage and about 8-10 are nearing that milestone. The rest are still in pre-clinical stage. Normally, just one of every ten exploratory antibodies make it entirely through to administrative endorsement. Accordingly, various methodologies mean the odds of progress are higher. At present just a single immunization has entered the human preliminaries arrange and around 8-10 are approaching that achievement. The rest are still in pre-clinical stage. Here's a rundown of organizations and projects...