China's positions crucial in crunch talks as WTO chief eyes deals on fishing and vaccines

China will be at the heart of crunch talks on fishing subsidies and intellectual property waivers for Covid-19 vaccines next week at the first World Trade Organization ministerial summit held in five years.

WTO chief Ngozi Okonjo-Iweala says it is "within the realm of the possible" that deals are reached, with the beleaguered Geneva institution in desperate need of wins.

"It's moving along - they're very tough negotiations, but I think that we're within the realm of the possible that we could do that," the Nigerian told the South China Morning Post on Wednesday, referring to talks that would allow poorer countries to manufacture coronavirus vaccines without being sued by the developers.

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"At end of the day it will require the ministers to close, and the political will to close, one or two remaining issues. But it's within the possible," added Okonjo-Iweala, who admitted that the job had been "trickier and harder" than she expected, but that "progress has been good".

The 164 members' trade ministers will meet for the WTO's 12th ministerial conference (MC12) in the shadow of the Russian war on Ukraine, with food and energy crises stemming from Russia's aggression at the top of the agenda.

Key Western members have revoked Moscow's basic WTO trading privileges and refused to sit down with Russian counterparts, adding new layers of complexity to already tough talks.

"I am not saying that at MC12 there will not be some Russia-Ukraine tension. I'm sure there will be. But again, I think we will find ways to work it out. There has not been this sort of divisions into blocs, at least not within the WTO - we are fortunate that kind of regional blocs has not really happened," she said.

A deal on vaccines partly hinges on whether China commits to not using its status as a developing country at the WTO to manufacture vaccines free from intellectual property rights. At meetings in Geneva, Beijing has indicated it is willing to waive those rights, but trust is low among Western members because of China's chequered history in the field of intellectual property rights protection.

China self-identifies as a developing country at the WTO, and could technically benefit from the vaccine deal. Achieving a deal may rest on whether Beijing can convince other members it will not draw down these benefits.