The Covax vaccine-sharing initiative said on Thursday that it needed $2 billion in extra funding by next week to fill a gap caused by India halting exports as it tackles a strong Covid outbreak.
Covax, a scheme to distribute vaccines to vulnerable countries, said it also urgently needs 190 million vaccine doses.
It said it could fall behind on its goal of delivering two billion doses by the end of the year.
"We need an additional $2 billion to lift coverage in [recipient countries] up to nearly 30 per cent, and we need it by June 2 to lock in supplies now so that doses can be delivered through 2021 and into early 2022," the Covax group said.
The shortfall comes after India stopped exports from its Serum Institute, the world's largest vaccine maker by volume, which was producing 1.5 billion doses of vaccines a year even before the pandemic hit.
Covax said it had delivered 70 million vaccine doses to 126 countries, but faces a shortfall of 190 million at the end of June because of the "severe impact on Covax's supply in the second quarter of this year".
Covax will have more vaccinations available later in the year through deals it secured with several makers, but it said there could be “catastrophic” consequences if the current shortfall was not addressed.
"If the world's leaders rally together, the original Covax objectives – delivery of two billion doses of vaccines worldwide in 2021, and 1.8 billion doses to 92 lower-income countries by early 2022 – are still well within reach," Covax said.
"But it will require governments and the private sector to urgently unlock new sources of doses, with deliveries starting in June, and funding so we can deliver."
Covax welcomed vaccine pledges made so far by countries such as the UAE, France, Germany, Sweden, Italy, Spain and New Zealand.
The US has promised to supply about 80 million doses, the largest donation from a country, but has so far not said how the shots would be distributed or which countries would receive them.
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Director: Hasan Hadi
Starring: Baneen Ahmad Nayyef, Waheed Thabet Khreibat, Sajad Mohamad Qasem
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How has net migration to UK changed?
The figure was broadly flat immediately before the Covid-19 pandemic, standing at 216,000 in the year to June 2018 and 224,000 in the year to June 2019.
It then dropped to an estimated 111,000 in the year to June 2020 when restrictions introduced during the pandemic limited travel and movement.
The total rose to 254,000 in the year to June 2021, followed by steep jumps to 634,000 in the year to June 2022 and 906,000 in the year to June 2023.
The latest available figure of 728,000 for the 12 months to June 2024 suggests levels are starting to decrease.
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KEY HIGHLIGHTS
Healthcare spending to double to $2.2 trillion rupees
Launched a 641billion-rupee federal health scheme
Allotted 200 billion rupees for the recapitalisation of state-run banks
Around 1.75 trillion rupees allotted for privatisation and stake sales in state-owned assets