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Strict health checkups should be carried out for people who are leaving Wuhan, Sun stressed, adding that large-scale flows of people and vehicles should be averted by staggering trips.

BEIJING, April 19 (Xinhua) -- China has taken a slew of measures to give full play to agricultural machinery in spring farming while containing the COVID-19 outbreak, said an official with the Ministry of Agriculture and Rural Affairs (MARA) Sunday.

On international cooperation, Xi required closer cooperation with the World Health Organization to strengthen the analysis and prediction of the changes in the global epidemic situation, and improvement in strategies and policies to cope with imported risks.

"Chinese medical experts held a video conference to share their fighting COVID-19 experience with their African Union counterparts and 24 other African countries, including Namibia," he said.

Xi urged prompt efforts to develop safe and effective vaccines, drugs and testing kits to help fight the virus.