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"Each drone carries 20 kilograms of herbicides and can spray more than half a hectare in 10 minutes," said Gong, adding that it used to take a whole day to manually spray 1.33 hectares of farmland.

"Doing Business acknowledges the 10 economies that improved the most on the ease of doing business after implementing regulatory reforms," the World Bank Group said in the report. "In Doing Business 2020, the 10 top improvers are Saudi Arabia, Jordan, Togo, Bahrain, Tajikistan, Pakistan, Kuwait, China, India and Nigeria."

"Early detection helps to reduce the spread of the virus and to flatten the curve. Speeding up diagnosis time from hours to minutes with a 98 percent accuracy rate, is a powerful tool for treating, monitoring and management of the disease," said Huawei South Africa CEO Spawn Fan.

"Entering the Indian market is an important step for Great Wall Motors' global strategy."

"Does this virus have pandemic potential? Absolutely. Are we there yet? From our assessment not yet," Tedros said. "Using the word 'pandemic' now does not fit the facts, but it may certainly cause fear," he said.