Fig. 2From: Survey of pretreatment HIV drug resistance and the genetic transmission networks among HIV-positive individuals in southwestern China, 2014–2020The composition of the links in the molecular transmission networks. (PDR–PDR: persons had PDR connect to persons had PDR in the molecular network; PDR–No PDR: persons had PDR connect to persons without PDR; No PDR–No PDR: persons without PDR connect to persons without PDR.)Back to article page