56天的宁静后,新冠病毒如何进入新发地市场

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(原标题:56天的宁静后,新冠病毒如何进入新发地市场)

(持)(续)56(天)(的)(宁)(静)(,)(被)(一)(位)(“)(西)(城)(大)(爷)(”)(打)(破)(。) 6(月)11(日)(,)(北)(京)(在)(连)(续)56(天)(无)(本)(地)(报)(告)(新)(增)(确)(诊)(病)(例)(后)(,)(再)(次)(通)(报)(了)(一)(名)52(岁)(西)(城)(确)(诊)(病)(例)(。)(至)(今)10(天)(,)(北)(京)(已)(累)(计)(确)(诊)(超)200(例)(。) (时)(隔)(两)(个)(月)(,)(新)(冠)(病)(毒)(为)(何)(卷)(土)(重)(来)(?)(为)(何)(武)(汉)(和)(北)(京)(的)(聚)(集)(性)(感)(染)(都)(始)(于)(海)(鲜)(市)(场)(?)(这)(是)(否)(为)(寻)(找)(新)(冠)(病)(毒)(源)(头)(开)(启)(了)(第)(二)(次)(机)(会)(?) (国)(家)(级)(专)(家)3(进)(新)(发)(地) 6(月)17(日)(晚)(上)8(时)(许)(,)(一)(辆)(中)(巴)(车)(在)(位)(于)(北)(京)(市)(西)(城)(区)(迎)(新)(街)100(号)(的)(中)(国)(疾)(控)(中)(心)(病)(毒)(病)(所)(南)(区)(紧)(急)(启)(动)(。)(中)(国)(疾)(控)(中)(心)(生)(物)(安)(全)(首)(席)(专)(家)(、)(病)(毒)(病)(所)(党)(委)(书)(记)(武)(桂)(珍)(领)(着)(一)(队)(人)(行)(色)(匆)(匆)(赶)(到)(车)(上)(,)(奔)(赴)(此)(次)(疫)(情)(的)(集)(中)(暴)(发)(地)(新)(发)(地)(农)(产)(品)(批)(发)(市)(场)(。) (中)(纪)(委)(网)(站)(一)(篇)(报)(道)(还)(原)(了)(这)(样)(的)(画)(面)(。)10(天)(前)(的)6(月)11(日)(,)(北)(京)(通)(报)(一)(例)(本)(土)(新)(增)(确)(诊)(病)(例)(,)(打)(破)(了)(近)(两)(个)(月)(的)(“)(零)(新)(增)(”)(纪)(录)(。) 6(月)12(日)(晚)(间)(,)(中)(国)(疾)(控)(中)(心)(紧)(急)(调)(派)8(名)(流)(行)(病)(学)(、)(传)(染)(病)(防)(控)(等)(领)(域)(专)(家)(,)(编)(入)(国)(家)(卫)(健)(委)(专)(家)(组)(。)(近)(两)(个)(月)(“)(零)(新)(增)(”)(后)(为)(何)(突)(现)(新)(增)(病)(例)(?)(为)(什)(么)(又)(发)(生)(在)(新)(发)(地)(这)(样)(一)(个)(批)(发)(市)(场)(?)(一)(连)(串)(问)(题)(,)(等)(着)(他)(们)(回)(答)(。) (据)(上)(述)(报)(道)(,)6(月)14(日)(和)15(日)(、)17(日)(,)(中)(疾)(控)(病)(毒)(病)(所)(专)(家)(先)(后)3(次)(进)(入)(新)(发)(地)(农)(产)(品)(批)(发)(市)(场)(。) (第)(一)(次)(,)(一)(共)(采)(集)(了)200(多)(份)(样)(本)(,)(其)(中)(检)(出)(了)(不)(少)(新)(冠)(病)(毒)(核)(酸)(阳)(性)(样)(本)(。)(第)(二)(次)(,)(在)(其)(他)(区)(域)(又)(采)(集)(了)200(多)(份)(样)(本)(,)(其)(中)(又)(有)(不)(少)(是)(阳)(性)(的)(。)(第)(三)(次)(,)(对)(市)(场)(上)(水)(、)(鱼)(养)(殖)(保)(存)(水)(、)(水)(渠)(、)(地)(下)(水)(等)(水)(体)(系)(统)(进)(行)(采)(集)(和)(检)(测)(。) (“)(在)(新)(发)(地)(市)(场)(环)(境)(采)(样)(中)(,)(其)(综)(合)(交)(易)(大)(厅)(,)(特)(别)(是)(水)(产)(、)(豆)(制)(品)(局)(部)(售)(卖)(区)(域)(阳)(性)(样)(本)(较)(多)(,)(环)(境)(污)(染)(较)(重)(。)(”)(在)6(月)19(日)(北)(京)(市)(新)(冠)(疫)(情)(防)(控)(工)(作)(新)(闻)(发)(布)(会)(上)(,)(北)(京)(市)(疾)(控)(中)(心)(副)(主)(任)(庞)(星)(火)(通)(报)(了)(采)(样)(结)(果)(。) (阳)(性)(环)(境)(样)(本)(可)(以)(帮)(助)(研)(究)(者)(还)(原)(“)(案)(发)(现)(场)(”)(,)(锁)(定)(传)(染)(范)(围)(甚)(至)(传)(染)(源)(。) (“)(不)(同)(的)(阳)(性)(样)(本)(,)(指)(向)(的)(结)(论)(是)(不)(一)(样)(的)(:)(它)(可)(能)(指)(向)(环)(境)(以)(及)(它)(内)(部)(的)(动)(物)(或)(物)(品)(本)(身)(是)(传)(染)(源)(,)(也)(可)(能)(指)(向)(被)(新)(冠)(病)(毒)(感)(染)(的)(人)(是)(传)(染)(源)(。)(”)(中)(疾)(控)(病)(毒)(病)(所)(所)(长)(助)(理)(、)(国)(家)(流)(感)(中)(心)(副)(主)(任)(刘)(军)(举)(例)(说)(,)(比)(如)(,)(如)(果)(在)(没)(有)(开)(封)(的)(冻)(品)(里)(发)(现)(了)(阳)(性)(样)(本)(,)(这)(就)(进)(一)(步)(证)(实)(了)(病)(毒)(通)(过)(冷)(链)(运)(输)(到)(市)(场)(造)(成)(传)(播)(的)(可)(能)(性)(;)(而)(如)(果)(冻)(品)(是)(开)(封)(之)(后)(的)(,)(这)(就)(表)(明)(这)(些)(冻)(品)(可)(能)(此)(前)(已)(经)(被)(人)(接)(触)(过)(了)(,)(那)(么)(得)(出)(的)(结)(论)(就)(不)(太)(一)(样)(了)(。) (人)(传)(人)(还)(是)(物)(传)(人)(?) (目)(前)(,)(这)(两)(种)(可)(能)(都)(存)(在)(。) (专)(家)(倾)(向)(于)(认)(为)(,)(是)(物)(品)(或)(人)(将)(北)(京)(之)(外)(的)(新)(冠)(病)(毒)(带)(入)(了)(新)(发)(地)(—)(—)(这)(个)(四)(通)(八)(达)(的)(农)(产)(品)(批)(发)(市)(场)(。) (“)(它)(不)(是)(源)(于)(北)(京)(,)(一)(定)(是)(北)(京)(以)(外)(的)(人)(或)(物)(把)(病)(毒)(带)(到)(了)(新)(发)(地)(。)(”)6(月)19(日)(,)(北)(京)(连)(续)(通)(报)(本)(土)(新)(增)(确)(诊)(病)(例)(第)9(天)(,)(中)(国)(疾)(控)(中)(心)(流)(行)(病)(学)(首)(席)(专)(家)(吴)(尊)(友)(接)(受)(央)(视)(采)(访)(时)(透)(露)(了)(新)(发)(地)(疫)(情)(新)(冠)(病)(毒)(溯)(源)(的)(最)(新)(判)(断)(。) (不)(过)(,)(尚)(不)(清)(楚)(把)(病)(毒)(带)(到)(新)(发)(地)(的)(人)(或)(物)(到)(底)(是)(什)(么)(。) (吴)(尊)(友)(分)(析)(说)(,)(如)(果)(是)(物)(品)(,)(最)(有)(可)(能)(是)(温)(度)(较)(低)(、)(冷)(冻)(的)(物)(品)(,)(病)(毒)(存)(活)(时)(间)(比)(较)(长)(。)(如)(果)(是)(人)(,)(最)(有)(可)(能)(是)(两)(类)(,)(一)(类)(是)(在)(市)(场)(工)(作)(的)(人)(员)(,)5(月)(底)(、)6(月)(初)(曾)(去)(过)(流)(行)(区)(,)(感)(染)(新)(冠)(病)(毒)(后)(症)(状)(不)(典)(型)(或)(是)(无)(症)(状)(感)(染)(者)(,)(复)(工)(复)(产)(后)(回)(到)(市)(场)(工)(作)(,)(引)(起)(市)(场)(污)(染)(,)(造)(成)(人)(和)(人)(之)(间)(的)(传)(播)(;)(一)(类)(是)(来)(自)(有)(输)(入)(病)(例)(流)(行)(区)(的)(人)(到)(新)(发)(地)(购)(物)(,)(都)(有)(可)(能)(污)(染)(环)(境)(,)(造)(成)(工)(作)(人)(员)(感)(染)(传)(播)(。) (中)(国)(疾)(控)(中)(心)(主)(任)(高)(福)(的)(一)(次)(非)(正)(式)(表)(态)(,)(给)(出)(了)(另)(一)(个)(可)(能)(。) 6(月)16(日)(,)(全)(国)(政)(协)(在)(上)(海)(就)(完)(善)(重)(大)(疫)(情)(防)(控)(机)(制)(开)(展)(专)(题)(调)(研)(。)(调)(研)(会)(上)(,)(高)(福)(的)(一)(番)(发)(言)(迅)(速)(登)(上)(微)(博)(热)(搜)(。) (他)(说)(,)((新)(冠)(病)(毒))(会)(在)(一)(些)(阴)(暗)(潮)(湿)(、)(比)(较)(污)(染)(、)(不)(好)(的)(环)(境)(潜)(伏)(下)(来)(,)(在)(一)(定)(时)(间)(内)(再)(突)(然)(暴)(露)(给)(好)(多)(人)(。)(北)(京)(这)(次)(很)(可)(能)(不)(是)5(月)(底)(、)6(月)(初)(才)(出)(现)(的)(病)(人)(,)(很)(可)(能)(要)(提)(前)(推)(一)(个)(月)(,)(这)(里)(面)(已)(经)(有)(好)(多)(无)(症)(状)(感)(染)(或)(者)(轻)(型)(病)(人)(,)(才)(使)(得)(环)(境)(里)(能)(有)(那)(么)(多)(的)(病)(毒)(。) (这)(是)(否)(意)(味)(着)(,)4(月)(份)(起)(新)(冠)(病)(毒)(已)(经)(由)(一)(条)(潜)(伏)(着)(的)(传)(播)(链)(在)(人)(群)(中)(流)(行)(?)(如)(何)(找)(到)(这)(部)(分)(无)(症)(状)(感)(染)(者)(?)(中)(疾)(控)(此)(后)(再)(未)(就)(此)(作)(出)(阐)(述)(和)(回)(应)(。) (吴)(尊)(友)(在)(接)(受)(央)(视)(采)(访)(中)(透)(露)(,)(下)(一)(步)(重)(点)(调)(查)(的)(对)(象)(将)(锁)(定)(在)(此)(次)(北)(京)(疫)(情)(中)(最)(早)(病)(例)(的)(发)(病)(时)(间)(再)(往)(前)(推)(一)(个)(潜)(伏)(期)(,)(在)(那)(段)(时)(间)(里)(市)(场)(发)(生)(的)(主)(要)(变)(化)(,)(有)(没)(有)(来)(自)(输)(入)(病)(例)(地)(区)(的)(人)(返)(回)(市)(场)(工)(作)(或)(到)(市)(场)(购)(物)(。) (病)(毒)(来)(自)(哪)(里)(?) (病)(毒)(进)(入)(市)(场)(时)(间)(未)(定)(,)(但)(病)(毒)(来)(自)(外)(部)(输)(入)(几)(近)(达)(成)(共)(识)(,)(病)(毒)(基)(因)(组)(序)(列)(数)(据)(也)(佐)(证)(了)(这)(一)(结)(论)(。) 6(月)18(日)(,)(中)(国)(疾)(控)(中)(心)(在)(“)(新)(型)(冠)(状)(病)(毒)(国)(家)(科)(技)(资)(源)(服)(务)(系)(统)(”)(上)(发)(布)(了)(此)(次)(疫)(情)(中)(的)(相)(关)(病)(毒)(基)(因)(组)(序)(列)(数)(据)(。)(三)(条)(数)(据)(中)(两)(条)(为)(北)(京)(市)(确)(诊)(病)(例)(基)(因)(组)(序)(列)(数)(据)(,)(一)(条)(为)(环)(境)(样)(本)(基)(因)(组)(序)(列)(数)(据)(。) (基)(因)(组)(序)(列)(数)(据)(是)(病)(毒)(的)(身)(份)(密)(码)(。)(对)(新)(冠)(病)(毒)(全)(基)(因)(组)(进)(行)(测)(序)(,)(然)(后)(运)(用)(生)(物)(信)(息)(学)(分)(析)(方)(法)(,)(和)(现)(有)(新)(冠)(病)(毒)(基)(因)(组)(序)(列)(比)(对)(,)(可)(以)(看)(出)(病)(毒)(间)(的)(“)(家)(族)(关)(系)(”)(。) (香)(港)(大)(学)(病)(毒)(学)(专)(家)(金)(冬)(雁)(在)(查)(看)(并)(比)(对)(上)(述)(三)(条)(病)(毒)(基)(因)(数)(据)(后)(认)(为)(,)(这)(三)(条)(病)(毒)(基)(因)(彼)(此)(之)(间)(只)(有)(一)(到)(两)(个)(点)(不)(一)(样)(,)(差)(异)(很)(小)(,)(说)(明)(它)(们)(来)(源)(应)(该)(是)(同)(一)(处)(。) (北)(京)(市)(疾)(控)(中)(心)(杨)(鹏)(接)(受)(媒)(体)(采)(访)(时)(表)(示)(,)(通)(过)(全)(基)(因)(组)(测)(序)(发)(现)(病)(毒)(是)(从)(欧)(洲)(方)(向)(来)(的)(,)(初)(步)(判)(定)(与)(输)(入)(性)(有)(关)(。) (“)(但)(是)(,)(欧)(洲)(毒)(株)(也)(并)(不)(代)(表)(病)(毒)(一)(定)(来)(自)(欧)(洲)(国)(家)(。)(”)(吴)(尊)(友)(接)(受)(媒)(体)(采)(访)(时)(解)(释)(说)(,)(欧)(洲)(毒)(株)(的)(概)(念)(是)(广)(泛)(的)(,)(比)(如)(对)(美)(国)(病)(毒)(进)(行)(分)(析)(,)(也)(显)(示)(它)(大)(部)(分)(来)(自)(欧)(洲)(毒)(株)(。)(俄)(罗)(斯)(的)(病)(例)(,)(大)(部)(分)(也)(是)(源)(于)(欧)(洲)(毒)(株)(。) (“)(也)(就)(是)(说)(,)(我)(们)(实)(验)(室)(的)(检)(测)(结)(果)(显)(示)(,)(毒)(株)(源)(于)(欧)(洲)(,)(可)(能)(来)(自)(欧)(洲)(国)(家)(,)(也)(可)(能)(来)(自)(美)(洲)(国)(家)(,)(这)(些)(可)(能)(都)(不)(能)(排)(除)(。)(还)(有)(待)(进)(一)(步)(收)(集)(信)(息)(来)(帮)(助)(判)(断)(。)(”)(他)(说)(。) (一)(个)(意)(外)(收)(获)(是)(,)(对)(北)(京)(新)(发)(地)(市)(场)(疫)(情)(的)(调)(查)(,)(为)(揭)(开)(新)(冠)(病)(毒)(传)(播)(之)(谜)(带)(来)(了)(新)(线)(索)(。) (“)(过)(去)(我)(们)(在)(做)(病)(毒)(溯)(源)(时)(一)(直)(在)(寻)(找)(中)(间)(宿)(主)(,)(现)(在)(或)(许)(是)(时)(候)(重)(新)(审)(视)(一)(下)(,)(病)(毒)(到)(底)(是)(不)(是)(来)(自)(于)(野)(生)(动)(物)(。)(”)(武)(桂)(珍)(接)(受)(中)(纪)(委)(网)(站)(采)(访)(时)(透)(露)(。) (“)(这)(次)(疫)(情)(在)(北)(京)(反)(弹)(,)(也)(是)(在)(批)(发)(市)(场)(集)(中)(暴)(发)(,)(但)(不)(同)(于)(武)(汉)(华)(南)(海)(鲜)(市)(场)(,)(北)(京)(出)(现)(野)(生)(动)(物)(导)(致)(疫)(情)(的)(可)(能)(性)(很)(小)(。)(这)(就)(留)(给)(我)(们)(一)(个)(很)(重)(要)(的)(提)(示)(:)(是)(不)(是)(有)(可)(能)(源)(头)(就)(是)(一)(个)(感)(染)(者)(或)(者)(被)(污)(染)(的)(食)(品)(,)(而)(海)(鲜)(市)(场)(的)(环)(境)(造)(就)(了)(快)(速)(传)(播)(的)(机)(会)(。)(”)(她)(说)(。) (新)(京)(报)(记)(者) (许)(雯) (【)(编)(辑):(黄)(钰)(涵)(】) <!----> 编码:20205290352