Ishami ry’umuryango w’abibumbye ryita ku buzima (OMS/WHO) rivuga ko kimwe cya kabiri cy’Uburayi kizandura ubwoko bushya bwa Covid yihinduranyije bwa Omicron mu gihe kiri hagati y’ibyumweru bitandatu n’ibyumweru umunani biri imbere. Dr Hans Kluge...
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