Amid the mounting risks the novel coronavirus pneumonia outbreak has brought to the world, President Xi Jinping's call for "an all-out global war" against the pandemic at the recent G20 Extraordinary Leader's Summit on COVID-19 has great relevance to addressing the global public health crisis.

The messages of solidarity and mutual assistance Xi sent at the videoconference for leaders of the Group of 20 countries on Thursday are the only way out for the world to prevail over the contagion and save the global economy from recession, observers said.