vaccinia virus particle (vv), colored transmission electron micrograph (tem) - 殼體 幅插畫檔、美工圖案、卡通及圖標天花病毒
conceptual image of human cytomegalovirus. cytomegalovirus is a genus of the viral family herpesviridae. - 殼體 幅插畫檔、美工圖案、卡通及圖標病毒, 單純皰疹病毒, 細胞
medical illustration depicting immune system interaction at cellular level. - 殼體 幅插畫檔、美工圖案、卡通及圖標小徑, 開始鈕, 巨噬細胞