I had forgotten about the immunization development for the 2002 SARS-CoV breakout. Attached is a relevant study (released 2012 below later) for which I will post the summary here (bold and color is my edit):   This combined experience provides concern for trials with SARS-CoV vaccines in humans. Clinical trials with SARS coronavirus vaccines have been conducted and reported to induce antibody responses and to be “safe” [29], [30]. However, the evidence for safety is for a short period