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TwomedicalstaffmembersfromnorthwestChinasQinghaiProvincetakearestbeforeleavingtheWuchangtemporaryhospitalinWuhan,centralChinasHubeiProvince,March10,2020.(Xinhua/FeiMaohua)OneisthattheDASHacademicplatformisonlyanopendatabasetocollectresearchmaterialsofHarvardsresearchfaculties,,thisverystudyismoreofapostinapubliccyberchat-room,andisf,oneoftheauthorsoftheresea"coincidence""coughs"and"diarrhea"inSeptember2019onBaidu,hosetwokeywords,theCOVID-19pandemicmighthavebrokenoutmanyyearsago.

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