Ngokwezibalo ezisuka kwiYunivesithi yase #Johns Hopkins, #ilizwe lonke eligonyelweyo lingaphezulu kwezigidi ezingama-200, libandakanya #Mntla Melika, #Mzantsi Melika, #Asia, #Mzantsi Afrika njalo njalo, ngaphezu kwamazwe angama-20 okanye imimandla.Emva kokugonywa, ukuthoba intsholongwane...
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