VIRxSYS is convinced that the HIV vaccine it is planning would be safe because, as in their SIV vaccine, all the genes that would usually make it infectious and

VIRxSYS is convinced that the HIV vaccine it is planning would be safe because, as in their SIV vaccine, all the genes that would usually make it infectious and able to multiply itself would be removed. "It can't replicate," says Lemiale. Reminds me of: But, to answer your question, the reason we know all the animals are female is that we literally make them that way ... and believe me, they can't breed