To explore the determinants on the SARS transmission based on analyzing the epidemiological characteristics of family clustered SARS cases and to provide evidence for making preventive measures.

• 通过描述严重急性呼吸综合征(SARS)家庭聚集性病例的流行病学特征,探讨家庭因素在本病传播中的作用,为制定防治措施提供理论依据。