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nurse is shown standing near sewage pipes outside of an infectious disease hospital in johannesburg

标签: nurse,is,shown,standing,near,s 浏览: 16

nurse in an isolation ward during the 1975 marburg outbreak in johannesburg south africa

标签: nurse,in,an,isolation,ward,dur 浏览: 14

infectious disease hospital associated with the univ of witwatersrand in johannesburg south africa

标签: infectious,disease,hospital,as 浏览: 14

woman drinking clean water from water pump in rural village near johannesburg south africa

标签: woman,drinking,clean,water,fro 浏览: 19