Are you afraid of what's happening outside China now, especially in Europe?
Bruce Aylward: Anywhere where a new virus spreads rapidly in a population that doesn't have immunity, you have to be concerned to do everything possible to help put in place control measures to slow it down.
Bruce Aylward, a Canadian epidemiologist and leader of the WHO-China Joint Mission on COVID-19, shares his insights with China Daily in Geneva on March 6.
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