UK approves Pfizer coronavirus vaccine, a first in the West

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By Benjamin Mueller

LONDON — Britain gave emergency authorization Wednesday (2) to Pfizer’s coronavirus vaccine, leaping ahead of the United States to become the first Western country to allow mass inoculations against a disease that has killed more than 1.4 million people worldwide.

The decision kicked off a vaccination campaign with little precedent in modern medicine, encompassing not only ultracold dry ice and trays of glass vials but also a crusade against anti-vaccine misinformation.

Britain beating the United States to authorization — on a vaccine co-developed by the US pharmaceutical giant Pfizer, no less — may intensify pressure on US regulators, who are already under fire from the White House for not moving faster to get doses to people. But the approval also fed concerns that Britain itself had acted so quickly for political reasons, or even to guarantee that it was at the front of the line for deliveries from Pfizer’s Belgian manufacturing plant.

No country until Wednesday had authorized a fully tested coronavirus vaccine; Russia and China approved vaccines without waiting for large-scale efficacy tests.

British and European regulators lean more heavily on the companies’ own analyses, studying reports from vaccine makers and, unless there are anomalies, grounding their decisions on those documents. And while US  regulators are waiting for a Dec. 10 meeting of outside experts to make a decision, Britain’s committee of specialists met as needed for a total of 40 hours before the decision Wednesday.

But whether Britain had moved more nimbly than the United States, or hurried through the data, remained an open question Wednesday. The British government, battered by its handling of the pandemic, exulted in the authorization.

“Help is on its way with this vaccine — and we can now say that with certainty, rather than with all the caveats,” the British health secretary, Matt Hancock, said Wednesday, as the government exulted in its decision.

While the go-ahead bodes well for Britain, which broke from the European Union’s regulatory orbit to approve the shot early, it will have no effect on the distribution of the hundreds of millions of doses that other wealthy countries have procured in prepaid contracts.

It also offers little relief to poorer countries that could not afford to buy supplies in advance and may struggle to pay for both the vaccines and the exceptional demands of distributing them.

The Pfizer vaccine, developed with BioNTech, a smaller German firm, must be transported at South Pole-like temperatures, a requirement that Britain said Wednesday that it would initially restrict vaccinations to a network of 50 hospitals. The government said those hospitals would initially vaccinate people aged 80 and older who already have doctors’ appointments booked for the coming weeks, along with nursing-home workers and doctors and nurses.

But the government did not make clear what other groups of National Health Service workers would be eligible for vaccines. There was also confusion about how nursing-home residents, who are the top priority under advisory committee plans, would be vaccinated.

Pfizer has said that its vaccine can be stored for five days in a normal refrigerator, but the government said Wednesday that the logistics involved in moving, defrosting and preparing the vaccine meant that it could be given only at hospitals to begin with. Later, that would be expanded to nursing homes, and after that to smaller clinics and doctors’ offices, they said.

The government said Wednesday that 800,000 doses would be available by next week for health workers to begin administering, part of an enormous distribution effort involving primary care doctors and mass vaccination centres being set up by the military.

For Britain, which has suffered one of Europe’s highest per capita death tolls from the virus, the decision by its drug regulator was the latest evidence of a vaccination strategy that has been the most aggressive in the West.

After the government strengthened an old law that allows Britain to step out from under the European Union’s regulatory umbrella in public health emergencies, its Medicines and Healthcare Products Regulatory Agency fast-tracked a review of the Pfizer vaccine.

Britain has pre-ordered 40 million doses of the vaccine, which was 95% effective in a late-stage clinical trial. It is part of a catalogue of different vaccines that the government has ordered — in all, more than five doses for each person in the country.

British regulators are also vetting a vaccine developed by AstraZeneca, a British-Swedish company, and the University of Oxford that is cheaper and easier to store than Pfizer’s. Much of the world could rely on it, but its regulatory path forward in the United States is unclear after scientists and industry analysts questioned promising early results.

The chemistry underlying Pfizer’s vaccine had never before produced an approved shot, though the same class of vaccines has long been tested for other uses. In order to coax cells to make a viral protein, called spike, and elicit an immune response, the vaccine delivers genetic instructions, known as messenger RNA, encased in tiny fat globules.

BioNTech made a prophetic bet on the technology and joined forces with Pfizer, one of the world’s largest drug companies; they ended up delivering stunning results, on a timeline that was unheard-of before this year.

“The emergency use authorization in the UK will mark the first time citizens outside of the trials will have the opportunity to be immunized against COVID-19,” said Dr. Ugur Sahin, the chief executive and co-founder of BioNTech.

The US Food and Drug Administration plans to decide on emergency authorization for the Pfizer vaccine shortly after a meeting of an advisory panel on Dec. 10. American officials have said vaccinations could begin within 24 hours after approval.

Another US company, Moderna, whose messenger RNA vaccine proved extraordinarily effective in large trials, said it would also apply to the FDA for emergency authorization. If granted, it could go into use as early as Dec. 21, the company has said.

Britain’s power to approve vaccines before the European Union, which has its own drug regulator, applies for now only on an emergency basis. But it will become permanent after Britain consummates its split from the bloc on Dec. 31, making the speed of the Pfizer approval an early sign in the eyes of the government of the flexibility it will have once the country fully untethers itself from the rest of Europe.

Pfizer has said it expects to be able to produce up to 50 million doses this year, about half of them going to the United States. Since each person needs two doses, a month apart, up to 25 million people worldwide could begin vaccination before 2021.

The United States has bought 100 million doses in advance from Pfizer, and the European Union 200 million doses.

-New York Times

 

A volunteer undergoes testing in Oxford, England, as part of a vaccine trial by AstraZeneca and the University of Oxford on Nov. 19, 2020. AstraZeneca’s vaccine, which is cheaper and easier to store than Pfizer’s, is also being vetted for emergency approval in Britain -Andrew Testa/The New York Times

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