广州疾控中心：感染来源还需流行病学调查以及病毒基因测序进行研判

俄罗斯外交部：俄罗斯在卢甘斯克附近击落了一架乌克兰的苏-24飞机。","multimedia":{"img_url":["https://n.sinaimg.cn/zhibo/12/w868h744/20220303/744b-467743cca1fd143bb8f1b66f674854d1.png"]},"commentid":"live:finance-152-2649839:0","compere_id":0,"creator":"qiqi7@staff.sina.com.cn","mender":"qiqi7@staff.sina.com.cn","create_time":"2022-04-28 15:52:52","update_time":"2022-04-28 15:52:58","is_need_check":"0","check_time":"1970-01-01 08:00:01","check_status":"1","check_user":"","is_delete":0,"top_value":0,"is_focus":0,"source_content_id":"0","anchor_image_url":"","anchor":"直播员","ext":"{"stocks":[],"needPush":false,"needAIPush":false,"needCMSLink":true,"needCalender":false,"needProvince":"0","docurl":"https:\/\/finance.sina.com.cn\/7x24\/2022-04-28\/doc-imcwipii6970874.shtml","docid":"mcwipii6970874"}","old_live_cid":"0","tag":[{"id":"102","name":"国际"}],"like_nums":0,"comment_list":{"list":[],"total":0,"thread_show":0,"qreply":0,"qreply_show":0,"show":0},"docurl":"https://finance.sina.cn/7x24/2022-04-28/detail-imcwipii6970874.d.html","rich_text_nick_to_url":[],"rich_text_nick_to_routeUri":[],"compere_info":""},{"id":2649838,"zhibo_id":152,"type":0,"rich_text":"【广州疾控中心：感染来源还需流行病学调查以及病毒基因测序进行研判】4月28日，广州市疾病预防控制中心党委书记、新闻发言人张周斌通报，本次疫情是白云机场在对机场工作人员例行核酸检测的这个过程中发现的，最近一次阴性检测的时间是4月25日，高频次的核酸检测为我们及时发现疫情争取到了宝贵的时间。目前来看，疫情还是主要波及在机场的工作人员及其共同居住的人员，感染的来源还需要我们深入地流行病学调查还有病毒基因测序的结果来综合进行研判。（央视新闻）