Countries that have their own refineries and reserves, and that can afford to pay, are facing high oil and gas prices but not shortages. Other countries can't get what they need and are rationing fuel.
Canada recently cut a new deal with China. The EU and South America signed a new free trade agreement. Long-time U.S. trade partners are looking to do business elsewhere.
Individual governments have defended decisions to keep medical equipment at home, arguing they must take care of their medical workers and patients first.