pecific Abs (IgG, > 1: 2 × 105), neutralizing (> 1:2.4 × 104) pseudotyped SARS-CoV (Tor2, GD03, and SZ3 strains) N/A N/A He et al., 2006a S andS-foldon proteins N/A TiterMax Gold; Alum Hydro+MPL S.C. or I.M. BALB/c mice Elicit SARS-CoV