A US panel of experts has voted to recommend the emergency approval of a second coronavirus vaccine.
The Food and Drug Administration (FDA) is expected to follow the recommendation, which means the Moderna vaccine could start being administered in the US as early as next week.
The vote came days after the country began its rollout of the Pfizer-BioNTech jab.
The US has recorded more Covid-19 cases and deaths than any other country.
Earlier this week, its coronavirus death toll passed 300,000.
The advisory panel on Thursday voted 20–0 with one abstention that the benefits of the Moderna vaccine outweigh the risks for those aged 18 and over. The same committee last week backed the Pfizer/BioNTech vaccine, leading to its authorisation for emergency use the following day.
The vote came after regulators reported earlier this week that the Moderna vaccine was safe and 94% effective.
The US has agreed to purchase 200m doses, and 6m could be ready to ship as soon as the vaccine gets FDA approval.
How does it differ from the Pfizer jab?
The Moderna vaccine requires temperatures of around -20C for shipping — similar to a normal freezer.
The Pfizer jab requires temperatures closer to -75C, making transport logistics much more difficult.
Like the Pfizer jab, the Moderna vaccine also requires a second booster shot. Moderna’s second injection comes 28 days after the first.
The company is based in Cambridge, Massachusetts, and has said that if approved, the “vast majority” of its vaccine would be manufactured there.
Pfizer’s drug is being manufactured in several countries, including Germany and Belgium.
Which other countries have ordered the Moderna vaccine?
In Canada, the government plans to get two million Moderna doses by March — part of a total 56m doses.
The UK has already pre-ordered 7m doses of the Moderna vaccine.
The European Union last month announced a contract to purchase of 80m doses — with an option to purchase up to 80m more — once the vaccine is deemed safe and effective.
Japan has signed up for 50m Moderna doses, South Korea for 20m, and Switzerland has ordered 7.5m, according to data compiled by the Duke University Global Health Innovation Center.
Moderna’s vaccine is safe and 94% effective, regulators say, clearing the way for US emergency authorisation.
The analysis by the Food and Drug Administration’s (FDA) means it could become the second coronavirus vaccine to be allowed in the US.
It comes one day after Americans across the country began receiving jabs of the Pfizer-BioNTech vaccine.
The news comes as the US coronavirus death toll passes 300,000, according to Johns Hopkins University.
Endorsement of the Moderna vaccine by FDA scientists was announced on Tuesday, two days before the vaccine panel meets to discuss emergency approval.
What were their findings?
The 54-page document said there were “no specific safety concerns” and that serious adverse reactions were rare.
If approved by the team of experts later this week, and by the FDA’s vaccine chief, shipments could begin within 24 hours.
The FDA found a 94.1% efficacy rate out of a trial of 30,000 people, according to the document they released.
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