Objective To analyze HIV seroprevalence among voluntary blood donors, in order to enroll and select eligible voluntary blood donors.
目的分析昆明地区无偿献血者中HIV的流行状况，为招募和选择无偿献血者提供依据。
2
Seroprevalence presents a strong spatial correlation in lake region with certain yearly variability, but such spatial correlation is weak in mountainous region.