SARS had vaccine candidates but disappeared before testing was completed. It sounds like candidates are being used as basis for some SARS-CoV-2 vaccines. There

SARS had vaccine candidates but disappeared before testing was completed. It sounds like candidates are being used as basis for some SARS-CoV-2 vaccines. There have been announcements for vaccine candidates for SARS-CoV-2 entering initial trials. It sounds like the delay for vaccine will be full trials and production and not development.