Short Communication Intraspecies diversity of SARS-like coronaviruses in Rhinolophus sinicus and its implications for the origin of SARS coronaviruses in humans Junfa Yuan,13 Chung-Chau Hon,23 Yan Li,1 Dingming Wang,3 Gelin Xu,4 Huajun Zhang,1 Peng Zhou,1 Leo L. M. Poon,5 Tommy Tsan-Yuk Lam,2 Frederick Chi-Ching Leung2 and Zhengli Shi1 Correspondence Zhengli Shi