1. Wrapp D, Wang N, Corbett KS, et al. Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation. Science. 2020;367(6483):1260-1263. doi:10.1126/science.abb2507
  2. Chan-Yeung M, Xu RH. 2003. SARS: epidemiology. Respirology 8:S9–S14. doi:10.1046/j.1440-1843.2003.00518.x
  3. Liu Y, Eggo RM, Kucharski AJ. 2020. Secondary attack rate and superspreading events for SARS-CoV-2. Lancet 395:e47. doi:10.1016/S0140-6736(20)30462-1
  4. Guo L, Ren L, Yang S, et al. Profiling Early Humoral Response to Diagnose Novel Coronavirus Disease (COVID-19) [published online ahead of print, 2020 Mar 21]. Clin Infect Dis. 2020;ciaa310. doi:10.1093/cid/ciaa310