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喺公共衛生度,contact tracing係一個由受感染者同其他人(「接觸」)同埋一直持續收集更多細節嘅程序。追蹤受感染嘅個戶,試有冇受感染、隔離或者追蹤佢哋,公共衛生嘅目標係減少受感染嘅人口。通常喺肺朥、可預防疫苗感染好似麻疹、性傳播感染(包括HIV)、血體液傳染病、伊波拉、一啲嚴重嘅細菌感染、同埋冠狀病毒感染(好似沙士病毒、H1N1同埋沙士病毒2型)。contact tracing嘅目標係:
Contact tracing通常會有下面嘅步驟:
即使contact tracing可以由病人度俾料、藥物或者轉介去其他接觸者,對於公共衛生最有效嘅做法就係直接通知證明咗。[1]
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