Millions of people could die from the new coronavirus, particularly in poor countries, if it is allowed to spread unchecked, UN Secretary-General Antonio Guterres warned Thursday, appealing for a coordinated global response to the pandemic.

"If we let the virus spread like wildfire -- especially in the most vulnerable regions of the world -- it would kill millions of people," he said. "Global solidarity is not only a moral imperative, it is in everyone's interests," he said.

Guterres stressed the need for a coordinated global response to contain a "health catastrophe" that already has claimed the lives of more than 9,000 people and infected more than 217,500 around the world. "We need to immediately move away from a situation where each country is undertaking its own health strategies to one that ensures, in full transparency, a coordinated global response, including helping countries that are less prepared to tackle the crisis," he said.

He urged governments to give "the strongest support to the multilateral effort to fight the virus, led by the World Health Organization, whose appeals must be fully met."

"The health catastrophe makes clear that we are only as strong as the weakest health system."

In terms of support for the global economy, Guterres said the focus should be on helping the most vulnerable: low income workers and small and medium size businesses. "That means wage support, insurance, social protection, preventing bankruptcies and job loss," he said.

Financial facilities are needed to support countries in difficulty, he said, adding that the IMF, World Bank and other international institutions have a key role to play. "And we must refrain from the temptation of resorting to protectionism," he said. "This is the time to dismantle trade barriers and re-establish supply chains."

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