COVID-19 <%eb%b2%a0%eb%a6%ac%ec%b9%a9 class="post-title"> 실리콘밸리에서 코비드-19 면역 여권 개발 완료!(Quantum Materials Corp & COVID-19 Immunity Passports) %eb%b2%a0%eb%a6%ac%ec%b9%a9> May 2, 2020