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U.S. FDA authorizes Pfizer COVID-19 vaccine for emergency use

Saturday, December 12, 2020, 14:38 GMT+7
U.S. FDA authorizes Pfizer COVID-19 vaccine for emergency use
Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020. Photo: Reuters

The United States said it authorized the use of Pfizer Inc’s COVID-19 vaccine on Friday, with the first inoculations expected within days, marking a turning point in a country where the pandemic has killed more than 295,000 people.

The U.S. Food and Drug Administration granted an emergency use authorization for the vaccine, developed with German partner BioNTech, which was shown to be 95% effective in preventing the disease in a late-stage trial.

It said the vaccine can be given to people aged 16 and older.

Healthcare workers and elderly people in long-term care facilities are expected to be the main recipients of a first round of 2.9 million doses this month.

BioNTech Chief Executive Ugur Sahin said the vaccine “will help to save lives across the United States and could accelerate a return to normality.”

U.S. health authorities, shipping services, hospitals and pharmacies have been readying a nationwide inoculation campaign.

Pfizer said it would start shipping immediately and state public health systems have been planning to begin shots as early as Monday.

The government plans to accelerate vaccinations in the coming weeks and months, especially if a second vaccine from Moderna Inc is quickly approved.

An advisory group to the U.S. Centers for Disease Control and Prevention will meet on Saturday to make crucial recommendations about whether some groups such as pregnant women and 16-year-olds should be immunized.

The authorization comes as cases are surging in the United States, with thousands of death per day, while hospital intensive care units across the country are nearing capacity, threatening to overwhelm healthcare systems.

“It is one step in a sequence of steps that will bring this pandemic to an end,” said Amesh Adalja, a senior scholar at the Johns Hopkins Center for Health Security.

He added: “A lot of people will be infected, a lot will be hospitalized and a lot will die before the vaccine is able to have a meaningful impact on spread.”

The Pfizer/BioNTech vaccine was first approved in Britain earlier this month, and UK residents began receiving the shots on Tuesday.

Canada also authorized the vaccine and expects to start inoculations next week.

Mexico, Bahrain and Saudi Arabia have also approved the Pfizer vaccine.

U.S. President Donald Trump, in a video posted on Twitter, trumpeted the achievement and blamed China for the pandemic.

Critics have said his focus on China was aimed at deflecting attention from his missteps in combating the pandemic.

“The United States is the first nation in the world to produce a verifiably safe and effective vaccine. Today’s achievement is a reminder of America’s unlimited potential,” Trump said.

Complex challenges

Others with vaccines in advanced development include Moderna, which could win emergency U.S. authorization as soon as next week, AstraZeneca Plc with Oxford University, and Johnson & Johnson.

BioNTech began developing the vaccine in January, using a technology called synthetic messenger RNA (mRNA) that had yet to produce an approved product.

The technology uses a chemical messenger to instruct cells to make proteins that mimic part of the new coronavirus, which the immune system learns to recognize as an invader. BioNTech struck a development deal with Pfizer in March.

The vaccine comes with complex distribution challenges as it must be shipped and stored at -70 Celsius (-94 F), requiring specialized ultra-cold freezers or supplies of dry ice.

Moderna’s vaccine employs the same technology but does not need to be stored at sub-Arctic temperatures.

Pfizer has developed a special shipping container that will be filled with dry ice to keep the vaccine from spoiling.

Many states are concerned about whether there is enough dry ice for shipments to rural areas that lack the specialized freezers, but Pfizer believes there should be sufficient supply.

U.S. health officials have said they will have enough to supply all of the 330 million U.S. residents who wish to be vaccinated by the middle of 2021.

'Herd immunity'

The government has ordered 100 million doses of the Pfizer vaccine - enough to inoculate 50 million people - through its Operation Warp Speed virus development program and could negotiate for more. The status of those talks are unclear.

Pfizer board member and former FDA commissioner Scott Gottlieb said in an interview with CNBC earlier this week that the company had offered to sell the United States more doses as recently as last month but had been turned down.

The United States has agreed to buy 200 million doses of Moderna’s two-dose vaccine.

The government also has supply deals with J&J and AstraZeneca, but authorization of those vaccines are not imminent.

Top U.S. infectious diseases expert Dr. Anthony Fauci said if distribution goes well and enough Americans agree to get vaccinated, relief for a pandemic weary nation may be on the horizon, with enough immunizations providing safety for the ‘herd’ of collective society.

“By the end of summer or end of third quarter, we may actually have enough herd immunity protecting our society,” he said.

Reuters

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