In general , a whole virion serves as a simple vaccine antigen and often essential material for the analysis of immune responses against virus infection .
we prepared UV - inactivated SARS coronavirus on a large scale under the strict Biosafety Level 3 ( BSL3 ) regulation .
In general , a whole virion serves as a simple vaccine antigen and often essential material for the analysis of immune responses against virus infection .
In order to develop an effective vaccine and diagnostic tools , we prepared UV - inactivated SARS coronavirus on a large scale under the strict Biosafety Level 3 ( BSL3 ) regulation .