overdependence

"This serves as a wake-up call for the region, not only to reduce reliance on the US, but also to re-balance overdependence on any single trade and export partner."

Mr Vance has also criticised Europe's overdependence on the US in foreign policy - potentially straining US-UK relations.

He worries about overdependence on automated and electronic systems.

The catastrophic shortage is a result not just of a surge in cases, but also of an overdependence on a single vaccine manufacturer, EuBiologics in Seoul, South Korea, whose production capacity is limited.

Li's speech comes amid calls over the past year from the United States and the European Union to "de-risk" their supply chains and reduce overdependence on China in certain sectors, as well as efforts to cut off Chinese enterprises from some advanced semiconductors.