“Combined, our results suggest that antibodies against SARS-CoV spike proteins may trigger ADE effects. The data raise new questions regarding a potential SARS-CoV vaccine …”

Wang, S-F., Tseng, S-P, Yen, C-H, et al. Antibody-Dependent SARS Coronavirus Infection Is Mediated by Antibodies against Spike Proteins.”Biochemical and Biophysical Research Communications, vol. 451, no. 2. 22 August 2014. https://doi:10.1016/j.bbrc.2014.07.090.