Spain's large-scale study on the coronavirus indicates just 5% of its population has developed antibodies, strengthening evidence that a so-called herd immunity to Covid-19 is "unachievable," the medical journal the Lancet reported on Monday.


원문출처 : https://www.cnn.com/2020/07/06/health/spain-coronavirus-antibody-study-lancet-intl/index.html