Prithi Deb
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For the first time, the World Health Organization called the disease caused by the novel coronavirus, COVID-19, a pandemic.
WHO defines a pandemic as the worldwide spread of a new disease for which most people do not have immunity.
WHO declares COVID-19 disease to be a pandemic
WHO defines a pandemic as the worldwide spread of a new disease for which most people do not have immunity.
WHO declares COVID-19 disease to be a pandemic