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Zimbabwean President Emmerson Mnangagwa speaks at a press conference in Harare, Zimbabwe, March 17, 2020. In an update to the nation Tuesday, Zimbabwean President Emmerson Mnangagwa declared COVID-19 a national disaster, saying the country had escalated its national response to the virus after neighboring countries in the region had reported cases. (Photo by Shaun Jusa/Xinhua)