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New Zealand is being warned against sealing its border until a vaccine is found.
Speaking on Global Insight, Professor Robert Patman said the economic damage from a sealed border would likely be too great, given that it was not known when an effective SARS-CoV-2 vaccine would be developed.
Instead, the University of Otago international affairs specialist suggests air bridges could be established to enable trade with countries that have a similarly effective pandemic containment strategy.