Ubushakashatsi bwa Kaminuza yo mu Bwongereza ya London School of Hygiene and Tropical Medicine, bwasanze ko abantu bari munsi y'imyaka 20 y'amavuko bafite ibyago byo kwandura coronavirus bingana hafi na kimwe cya kabiri cy'iby'abafite hejuru y'imyaka 20.
