US approves Moderna coronavirus vaccine for emergency use

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The Food and Drug Administration (FDA) has authorized a vaccine developed by Moderna and federal researchers, the second Covid-19 vaccine to receive such approval for emergency use across the US.

The vaccine’s emergency authorization brings the second drug to prevent Covid-19 to the American public within a week, and millions of doses are expected to begin immediate distribution to health workers and long-term care residents.

Moderna’s vaccine is 94% effective at preventing Covid-19, and is authorized in adults 18 and older. The authorization comes after it was recommended by an FDA advisory panel of independent experts.

“With the availability of two vaccines now for the prevention of Covid-19, the FDA has taken another crucial step in the fight against this global pandemic that is causing vast numbers of hospitalizations and deaths in the United States each day,” said Stephen Hahn, the FDA Commissioner, in a statement announcing the emergency authorization.

The vaccine developed by Moderna and the National Institute of Allergy and Infectious Diseases (NIAID) uses messenger RNA technology to introduce the body to the spike proteins coating the surface of the coronavirus.

“I would anticipate that we likely will see shots in the arm by the very early part of next week,” said Dr Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases (NIAID), to NBC earlier today.

Unlike the Pfizer vaccine, the Moderna vaccine deliveries will be managed by the federal government, using funding from Operation Warp Speed, the Trump administration’s program to quickly develop and disseminate Covid-19 vaccines and treatments.

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Pfizer’s vaccine, the first to prevent Covid-19 authorized in the US last week, uses the same technology. Both companies are expected to apply for full approval for the vaccines in the coming months. Federal authorities hope to vaccinate 20 million people before the end of the year.

The authorization comes as the first doses of a vaccine developed by Pfizer are administered to health workers and longterm care residents, after it was authorized by the FDA last week.

Several high profile figures have already received the Pfizer vaccine, including the vice-president, Mike Pence, and the House speaker, Nancy Pelosi, on Friday. Joe Biden is due to receive his vaccine on Monday.

Moderna’s vaccine holds at least two distinct advantages over the first vaccine. It needs to be refrigerated, but does not require the ultra-cold -70C (-94F) required by Pfizer’s vaccine. That means the vaccine could be easier to transport in rural areas, and less susceptible to wastage. Further, Moderna’s data shows its vaccine appears to protect people against severe Covid-19, when it does not prevent the disease.

The authorization also comes as the virus continues to inflict a devastating toll on Americans. Thursday set a new record for daily deaths, when more than 3,500 Americans succumbed to the virus in one day.

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