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Untapped Global Vaccine Stash Raises Risks of New Covid Variants

  • Previous goal of vaccinating 70% of each country out of reach
  • Focus is now on boosting demand in lower-income countries
Bloomberg business news
Explain This: How mRNA Covid Vaccines Work

The world finds itself awash in Covid-19 vaccines, but governments can’t get them into arms fast enough, as hesitancy and logistical hurdles threaten to indefinitely extend the pandemic.

Shots that were once rare are now piling up and even expiring, a problem on the agenda of a second global Covid-19 summit the US is co-hosting on Thursday. President Joe Biden kicked off the first summit eight months ago by announcing the US would donate another 500 million doses to the international vaccination campaign, nearly doubling its total pledge.