Though researchers are exploring the link between SARS and human leukocyte antigen (HLA) in persons of Chinese ancestry, experts say a virus might very well select certain "physical types" as a host but certainly not any particular "race."
目前醫界已從分析華人的 HLA（人類白血球抗原）著手；確實，病毒或許會挑選某種「體質」的人作為宿主，但對「種族」應該沒有偏見才對。