umutsi wekugoma weuniversity of oxfordastrazeneca sewuvele uvunyiwe balawuli labanyenti labehlukene be mhlaba wonkhe futsi sewu calile kusetjentiswa kulama nye emave.

xisawutisi xa oxford universityastrazeneca se xi pfumeleriwile hi valawuri vo hlaya emisaveni hinkwayo naswona xi le ku phakeriweni ematikweni man'wana.
