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chicken pox
ibihara
最后更新： 2013-01-31
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coronaviruses were first discovered in the 1930s when an acute respiratory infection of domesticated chickens was shown to be caused by infectious bronchitis virus (ibv).
virusi za korona zavumbuwe bwa mbere mu myaka yo mu 1930, ubwo hari hamaze kugaragazwa ko ubwandu bukomeye bwo mu buhumekero ku nkoko buterwa na virusi itera udusebe mu myanya y’ubuhumekero (ibv).
