Detailed text transcripts for TV channel - BBCNEWS - 20210621:05:06:00
Two doses— some science. we are already used two doses of the same vaccine, but scientists_ two doses of the same vaccine, but scientists are looking for a dose of vaccine _ scientists are looking for a dose of vaccine might get better protection. then it _ vaccine might get better protection. then it is _ vaccine might get better protection. then it is a — vaccine might get better protection. then it is a case of which is the best— then it is a case of which is the best accommodation you also have to wait for— best accommodation you also have to wait for the _ best accommodation you a...
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