 Mu yandi makuru: Abishwe na coronavirus muri Amerika baraye bageze ku kigero cyo hejuru cyane mu mezi yari ashize, abagera hafi ku 1,600 ni bo bapfuye mu masaha 24 ashize Kompanyi Moderna yo muri Amerika ikora imiti yavuze ko urukingo rwayo rwa coronavirus rwageragejwe rwabatuye ubwirinzi bukomeye bwumubiri, mu bushakashatsi bwakorewe ku nguge. 