[Question] Why don’t we have active human trials with inactivated SARS-COV-2?

It seems to me that it should be rel­a­tively straight­for­ward to grow SARS-COV-2 in vitro and then in­ac­tive it via UV ra­di­a­tion.

After we in­ac­ti­vated it we could give it to test sub­jects to see whether we get a good im­mune re­sponse.

Is there a rea­son this is more com­pli­cated then I think? Have I missed some­thing else? Other­wise what’s the rea­son that there are no such tri­als go­ing on?

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