신규확진 줄었지만…방역당국 괴롭히는 ‘재양성’ 사례 A concerning number of recovered COVID-19 patients here in the nation tested positive again. For now, the KCDC is carrying out investigations to find out the exact cause of this phenomenon. Lee Kyung-eun sheds light…
COVID-19 <%eb%b3%b4%ea%b1%b4 class="post-title"> Only 2~3% of recovered patients generate antibody for COVID-19: Research %eb%b3%b4%ea%b1%b4>