TheWorldHealthOrganizationhassaidthediseasewasunknownbeforetheoutbreakwasfirstreportedinWuhaninDecember, andItaly's firstcovert 19 patientwasdetectedonFebruary 21 in a townoutsideMilan.
A furtherspecificantibodiestestwascarriedoutbytheUniversityofCNF.
さらなる特異的抗体検査は、CNF大学で行われた。
Thesameresearch, a coauthorofthestudy, toldReutersthatitshowedfourcasesdatedbacktothefirstweekofOctoberwerealsopositiveforantibodiesneutralizingthevirus, meaningtheyhadgotinfectedinSeptember.