把下列的传染病和具体病例、传播途径用直线正确地连接起来．

体表传染病                 非典型性肺炎                          食物和饮水

血液传染                    艾滋病                                空气和飞沫

消化道传染病                甲肝                           输血、静脉注射毒品

呼吸道传染病                沙眼                                   接触．