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Coronavirus: What is a pandemic and why use the term now?

来源:BBC News 作者: 时间:2020-03-12 Tag: 点击:

The coronavirus outbreak has been labelled a pandemic by the World Health Organization (WHO). WHO chief Dr Tedros Adhanom Ghebreyesus said the number of cases outside China had increased 13-fold in two weeks. He said he was "deeply concerned" by "alarming levels of inaction". A pandemic is a disease that is spreading in multiple countries around the world at the same time.


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