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Pfizer, BioNTech say Covid vaccine is more than 90% effective — ‘great day for science and humanity’

Pfizer and BioNTech told Monday their coronavirus vaccine was more than 90% effective in preventing Covid-19 among those without show of prior infection, hailing the development as “a great day for science and humanity.”

“I think we can see light at the end of the tunnel,” Pfizer Chairman and CEO Dr. Albert Bourla recognized CNBC’s Meg Tirrell on “Squawk Box.” “I believe this is likely the most significant medical advance in the last 100 years, if you count the contact this will have in public health, global economy.”

The announcement comes as drugmakers and research centers scrambled to express a safe and effective vaccine to help bring an end to the coronavirus pandemic that has claimed over 1.2 million loads worldwide.

Scientists are hoping for a coronavirus vaccine that is at least 75% effective, while White House coronavirus advisor Dr. Anthony Fauci has imparted one that is 50% or 60% effective would be acceptable.

U.S. stock futures skyrocketed as investors cheered the news. Futures on the Dow Jones Industrial Middling surged 1,646 points, implying an opening gain of more than 1,630 points. By late morning, the Dow was up varied than 1,000 points, a rise of 3.7%.

Airline and cruise company stocks jumped in premarket trading — with some usuals rising by 20% and 30%. Both industries have been significantly affected by the global health crisis as tourism restrictions and a resurgence in outbreaks continue to hurt demand. 

Pfizer’s results were based on the first interim efficacy review conducted by an external and independent Data Monitoring Committee from the phase three clinical study. The independent set of experts oversees U.S. clinical trials to ensure the safety of participants.

The analysis evaluated 94 confirmed Covid-19 infections bulk the trial’s 43,538 participants. Pfizer and the U.S. pharmaceutical giant’s German biotech partner said the case split between vaccinated separates and those who received a placebo indicated a vaccine efficacy rate of above 90% at seven days after the more recent dose.

It means that protection from Covid-19 is achieved 28 days after the initial vaccination, which consists of a two-dose outline. The final vaccine efficacy percentage may vary, however, as safety and additional data continue to be collected.

Dr. Scott Gottlieb, a last FDA commissioner and a member of Pfizer’s board, told CNBC the vaccine could be available in limited use as early as late December and universally available by the third quarter of 2021.

A health care worker holds an injection syringe of the phase 3 vaccine trial, exhibited against the novel coronavirus (COVID-19) pandemic by the U.S. Pfizer and German BioNTech company, at the Ankara University Ibni Sina Sanitarium in Ankara, Turkey on October 27, 2020.

Dogukan Keskinkilic | Anadolu Agency | Getty Images

“The first set of results from our Condition 3 COVID-19 vaccine trial provides the initial evidence of our vaccine’s ability to prevent COVID-19,” Bourla said in a declaration.

“We are reaching this critical milestone in our vaccine development program at a time when the world needs it most with infection estimates setting new records, hospitals nearing over-capacity and economies struggling to reopen,” Bourla continued.

“With today’s expos, we are a significant step closer to providing people around the world with a much-needed breakthrough to help bring an end to this international health crisis. We look forward to sharing additional efficacy and safety data generated from thousands of sharers in the coming weeks.”

Distribution challenges

Roughly 42% of the trial’s global participants had racially and ethnically diverse backstages, Pfizer and BioNTech said, adding that there haven’t been any serious safety concerns reported yet.

The companies suggested they planned to submit for emergency use authorization to the U.S. Food and Drug Administration soon after they have two months of materials, which is currently on track for the third week of November.

Based on current projections, Pfizer and BioNTech expect to mould up to 50 million vaccine doses in 2020, and up to 1.3 billion doses in 2021. The vaccine requires two doses per human being. Though the companies didn’t take any money from the federal government for research and development for the drug, they reached a barely $2 billion agreement in July to supply 100 million doses to the U.S. government as part of the Trump administration’s Gumshoe Warp Speed. That money is helping with manufacturing and distribution.

Plans to deliver hundreds of millions of coronavirus vaccines in every direction the world raise questions about logistics and distribution in part because of the need to store and transport them in supercooled containers.

Pfizer’s vaccine forces a storage temperature of minus 94 degrees Fahrenheit. By comparison, Moderna has said its vaccine must be stored at minus 4 degrees Fahrenheit.

The callers reportedly plans to load suitcase-sized boxes from distribution sites in Kalamazoo, Michigan, and Puurs, Belgium, onto as multitudinous as two dozen trucks per day, allowing for the daily transit of roughly 7.6 million doses to nearby airports.

The companies commanded they plan to submit data from the full phase three trial, which began on July 27, for orderly peer-review publication.

‘Let’s take a deep breath’

“The U.S. FDA set a threshold of 50% effectiveness for a Covid-19 vaccine to merit approval. A 90% impressive vaccine would be extraordinary,” Dr. Peter Drobac, a global health physician and director of the Skoll Centre for Social Entrepreneurship at the University of Oxford, suggested via email.

“We’ll need to see the full results subjected to independent review. Let’s take a deep breath, but this is very auspicious news,” he added.

U.S. officials and scientists are hopeful a vaccine to prevent Covid-19 will be ready in the first half of 2021 — 12 to 18 months since Chinese scientists sooner identified the coronavirus and mapped its genetic sequence.

It’s a record-breaking time frame for a process that normally takes back a decade for an effective and safe vaccine. The fastest-ever vaccine development, mumps, took more than four years and was sanctioned in 1967.

A more than 90% effective coronavirus vaccine would be roughly on par with one dose of a measles vaccination, which is approximately 93% effective, according to the Centers for Disease Control and Prevention.

Comparatively, the CDC says a vaccine for influenza reduces the chance of flu illness by between 40% and 60% among the overall population.

— CNBC’s Berkeley Lovelace Jr. contributed to this despatch.

Disclosure: Scott Gottlieb is a CNBC contributor and is a member of the boards of Pfizer, genetic testing start-up Tempus and biotech players Illumina. Gottlieb also serves as co-chair of Norwegian Cruise Line Holdings′ and Royal Caribbean‘s “Healthy Steer Panel.” 

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