Moderna expects vaccine will be protective against variants stocking 0 28 2021.01.26 09:20 https://youtu.be/A4i4HnuovNE + 5 모더나 백신, 남아공 변이에는 효과 낮아…"그래도 예방 가능" Moderna says its vaccine creates antibodies that neutralize COVID-19 variants first found in the UK ...