The World Health Organisation (WHO) is seeking $11.5 billion in urgent funding to fight the more infectious Delta variant of the coronavirus, a draft report seen by Reuters shows, amid worries that wealthy nations are partly bypassing its Covid-19 programmes.

A large portion of the cash being requested from the WHO's partners is needed to buy tests, oxygen and face masks in poorer nations, says the document which is expected to be released this week. And a quarter of it would be to buy hundreds of millions of vaccines for them that would otherwise go elsewhere.

The programme, set up at the start of the pandemic, remains vastly underfunded, and its coordinators are now acknowledging it will remain so as many governments look to address global Covid needs "differently", an ACT-A official told Reuters, speaking on condition of anonymity.

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