Relier Pairs MedicineVersion en ligne Match IPA symbols with their definitions. par Karen Estrella Romero González 1 /ˈhaɪ.dʒiːn/ 2 /ˈsɝː.dʒən/ 3 /dʒɝːm/ 4 /ˈsaɪd ɪˌfekt/ 5 /ˈkɑːn.ʃəs/ An unpleasant effect of a drug, medical treatment, or vaccine that happens in addition to the main intended effect. A tiny organism that causes disease A doctor who is specially trained to perform medical operations. The degree to which people keep themselves or their environment clean, especially to prevent disease. To notice that a particular thing or person exists or is present.