yulaiyuduoguojiafaxianyuyingguobianzhongxinguanbingduyouguandebingli，bilishijiyiseliefenbiechuxian4zongxiangguanbingli，bupaichuhuiyougengduo。meiguojibingkongzhijiyufangzhongxin(cdc)yibiaoshi，yingguoxinbingduzhukenengyijingzaimeiguochuanbo，zhishihaiweijiancedao。

缺少基因序列测定 变种未被检测

danmai、helan、yidali、bingdaojiaozhou，zaoqiandouyijingzhengshichuxianbianzhongbingduquezhenbingli，bilishiweishengbubiaoshi，yuechu4zongquezhenzaijieranghelandebeibudiquchuxian，danyouyubilishidexinbianzhongduzhujianceshuliangyuanshaoyuyingguo，bufenganranbinglikenenghaiweibeifaxian。

quanqiuduoguoxianhouduiyingguofengguan，danmeiguolianrilaijianchibuhuizhenduiyingguocaiquewaicuoshi。cdcqianribiaoshi，youyumeiguodeganranbinglizhiyouyixiaobufenyicedingjiyinxulie，xinbianzhongbingduzhukenengyizaimeiguochuxian，zhishiqijinweibeijiancedao。cdczhichu，meiguoquezhenbinglizhong，zhiyouyue5.1wanzongyicedingbingdujiyinxulie，zhanzongquezhenzongshubudao0.3%。

baigongchuanranbingzhuanjiafuqiyiyouxiangtongkanfa，tabiaoshixinduzhu“queyoukeneng”yizaimeiguochuxian。“dangzaiyingguozheizhongdifangyiyoucidengshuliangdechuanbo，nizhendexuyaojiadingta(xinduzhu)yizaici(meiguo)chuxian。taqueshibushishouyaoduzhu，danruotayizaicichuxian，wojueduibuhuijingya。”