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How to interpret the 'efficacy' rates of coronavirus vaccines

A volunteer receives an injection for a potential vaccine against COVID-19 at the Baragwanath Hospital on June 28, 2020 in Soweto, South Africa. The vaccine, developed by Oxford University's Jenner Institute, will inoculate 2,000 South Africans. Felix Dlangamandla/Beeld/Gallo Images via Getty Images Vaccine efficacy measures how well a vaccine works at preventing disease among vaccinated people, when compared to unvaccinated individuals. The vaccine efficacy numbers for coronavirus inj...
Tags: Science, News, US, Trends, Public Health, New York Times, Bill Gates, Astrazeneca, Pfizer, Oxford University, Vaccines, Times, Morgan Stanley, Anthony Fauci, Trevor Noah, Gates


6 crucial unanswered questions about AstraZeneca's coronavirus vaccine results

A lower initial dose of the Oxford-AstraZeneca vaccine, would mean double the number of vaccine doses available, once regulators approve it. VINCENZO PINTO/AFP via Getty Images For the third consecutive Monday, a drugmaker said its coronavirus vaccine candidate was successful in late-stage studies. AstraZeneca and the University of Oxford said their two-dose shot was effective at preventing COVID-19, according to preliminary results.  AstraZeneca's news follows similar announcements of suc...
Tags: Health, UK, Science, US, Trends, Getty Images, Analysis, Healthcare, Oxford, Brazil, Astrazeneca, Pfizer, University of Oxford, Biotech, Afp, Pollard


Coronavirus live news: Swedish nursing homes criticised for Covid handling; Germany mulls 10-people Christmas rule

Swedish watchdog condemned serious shortcomings after thousands die in nursing homes; Angela Merkel to discuss plan with state premiersOxford/ AstraZeneca vaccine has up to 90% efficacyLatest vaccine to be sold to developing countries at cost priceFrench man fined for breaking lockdown to ‘smash a guy’s face in’Shanghai Covid outbreak ‘traced to cargo from North America’ 12.17pm GMT An outbreak of coronavirus among mink in Denmark led the country to announce a mass cull of the 15-17m animals...
Tags: Europe, Science, Germany, Angela Merkel, Eu, European Union, UK News, World news, US news, Medical Research, Asia Pacific, Infectious Diseases, Microbiology, Poland, Denmark, North America


Moderna's chief medical officer says that vaccine trial results only show that they prevent people from getting sick — not necessarily that recipients won't still be able to transmit the virus

Lab tech Sendy Puerto processes blood samples from Moderna's coronavirus vaccine clinical trials study participants September 2, 2020 in Miami, Florida. Taimy Alvarez/AP Moderna Chief Medical Officer Tal Zaks told Axios that the public should not "over-interpret" the vaccine trial results to assume life could go back to normal after adults are vaccinated. "They do not show that they prevent you from potentially carrying this virus transiently and infecting others," Zaks told Axios.  Wh...
Tags: Science, News, US, Trends, Healthcare, Food And Drug Administration, Astrazeneca, Fda, Vaccine, University of Oxford, Miami Florida, Zaks, Moderna, Axios, Moncef Slaoui, Coronavirus


Moderna's chief medical officer says that vaccine trial results only show that they prevent people from getting severely sick — not necessarily that recipients won't still be able to transmit the virus

Lab tech Sendy Puerto processes blood samples from Moderna's coronavirus vaccine clinical trials study participants September 2, 2020 in Miami, Florida. Taimy Alvarez/AP Moderna Chief Medical Officer Tal Zaks told Axios that the public should not "over-interpret" the vaccine trial results to assume life could go back to normal after adults are vaccinated. "They do not show that they prevent you from potentially carrying this virus transiently and infecting others," Zaks told Axios.  Wh...
Tags: Science, News, US, Trends, Food And Drug Administration, Astrazeneca, Fda, Vaccine, University of Oxford, Miami Florida, Zaks, Moderna, Axios, Moncef Slaoui, Coronavirus, COVID


A 3rd coronavirus vaccine works

Hollis Johnson/Business Insider Hello,Another Monday, another batch of vaccine results. This time: AstraZeneca and the University of Oxford shared that their coronavirus vaccine was 70% effective on average. That comes on the heels of Pfizer and its partner BioNTech and Moderna both sharing last week that their coronavirus vaccines were 95% and 94.5% effective, respectively. Moncef Slaoui, the scientific head of Operation Warp Speed, is anticipating things will move quickly from here. He s...
Tags: Science, Massachusetts, US, Trends, Atlantic, Healthcare, Argentina, Astrazeneca, National Institutes of Health, Fda, Pfizer, Vaccine, University of Oxford, Oxford University, Santa, Donald Trump


Covid: Oxford AstraZeneca vaccine has up to 90% efficacy, data reveals

Vaccine developed in UK by AstraZeneca and Oxford University ‘will save many lives’, says scientistCoronavirus – latest updatesSee all our coronavirus coverageThe Covid vaccine developed in the UK by Oxford University and AstraZeneca can protect 70.4% of people from becoming ill and – in a surprise result – up to 90% if a lower first dose is used, results from the final trial show.The Oxford vaccine is the third to produce efficacy results, following Pfizer/BioNTech and Moderna whose vaccines we...
Tags: Health, UK, Science, US, Society, World news, Medical Research, Infectious Diseases, Oxford, Astrazeneca, Vaccines and immunisation, Pfizer, Oxford University, Moderna, Coronavirus, Oxford AstraZeneca


The creator of AstraZeneca's coronavirus vaccine is a mom to triplets. Her children participated in the trial.

Sarah Gilbert (top left), chief investigator of the Oxford coronavirus vaccine trial, speaks with Prince William (bottom right). AstraZeneca/Reuters AstraZeneca and the University of Oxford announced Monday that their COVID-19 vaccine was 70% effective, on average. The vaccine's creator, Sarah Gilbert, had faith in its efficacy from the start: Her triplets participated in the UK trial. "This vaccine should do what we always wanted it to do," Gilbert said on Monday. "We wanted a vaccine for...
Tags: UK, Science, News, US, Trends, Bloomberg, Bbc, Middle East, Oxford, Food And Drug Administration, Brazil, Astrazeneca, Pfizer, University of Oxford, William, MERS


One of Belgium's top virologists offered his family 4 tips for surviving the long COVID-19 winter — read the full letter he wrote them

Guido Vanham and his son Peter Vanham. Peter Vanham Guido Vanham is a virologist, a microbiologist who studies the rapid spreading of viruses, who's been sending letters to his three children throughout the coronavirus pandemic. The text of his most recent letter is printed below with permission from his son, Peter Vanham. In it, Guido Vanham writes that he's optimistic about the latest major vaccine trial updates but warns that if history and previous viruses are any guide, the toughest t...
Tags: Europe, Science, News, Holidays, Opinion, Trends, Belgium, Pfizer, Nordic, Peter, World Economic Forum, Don, Geneva Switzerland, Antwerp Belgium, Nele, Moderna


AstraZeneca and Oxford University announced a 3rd working COVID-19 vaccine, which they say is 70% effective

Researchers said the trial of more than 20,000 volunteers showed the vaccine stopped people from developing symptoms about 70% of the time on average. Carol Smiljan/NurPhoto via Getty Images The University of Oxford and AstraZeneca released positive results for their COVID-19 vaccine on Monday. In a statement, they said the vaccine is 70% effective on average. It follows results being released for two other vaccines — developed by Pfizer and Moderna — which are 95% effective. The Oxford/As...
Tags: Europe, Japan, UK, Science, Trends, Bbc, Astrazeneca, Pfizer, Vaccine, University of Oxford, Oxford University, European Medicines Agency, EMA, Moderna, Coronavirus, COVID-19


Coronavirus vaccine czar said Moderna will seek an emergency use authorization for its vaccine by the end of November

Moderna will seek emergency use authorization from the Food and Drug Administration for its COVID-19 vaccine by the end of the month, the coronavirus vaccine czar said Sunday. Moderna; Samantha Lee/Business Insider Moderna, the biotech company that last week announced the results of its COVID-19 vaccine, will apply with the Food and Drug Administration for an emergency use authorization by the end of the month, Moncef Slaoui, the head of the White House Operation "Warp Speed" said Sunday. ...
Tags: Science, News, Abc, US, Trends, Healthcare, Food And Drug Administration, Fda, GlaxoSmithKline, Pfizer, Vaccine, Abc News, Moderna, Slaoui, Moncef Slaoui, Connor Perrett


Americans will hopefully begin receiving the COVID-19 vaccine as early as December 11, 'Warp Speed' advisor says

Some Americans could "hopefully" receive the vaccine for COVID-19 as soon as December 11 or 12, Moncef Slaoui said Dado Ruvic/Reuters Moncef Slaoui, the head of the White House "Operation Warp Speed" said on Sunday that some Americans will begin receiving the vaccine for COVID-19 as soon as December 11.  A panel of outside experts that advises the FDA is expected to meet on December 10 to discuss Pfizer's application for an emergency use authorization, but it's not clear how quickly FDA wo...
Tags: Science, News, White House, Trends, Cnn, United States, Healthcare, Food And Drug Administration, Fda, GlaxoSmithKline, Pfizer, Jake Tapper, Moderna, Slaoui, Moncef Slaoui, Connor Perrett


We're likely to need coronavirus booster shots after the initial vaccine

A volunteer receives an experimental coronavirus shot from a medical worker at Baragwanath Hospital in Soweto, South Africa, June 24, 2020. REUTERS/Siphiwe Sibeko People may need to get booster shots after the initial coronavirus vaccine doses in order to stay protected, experts say. Other vaccines, like the tetanus shot, also require periodic boosters.  That adds further complication to the impending challenge of distributing coronavirus vaccines, which are likely to require two doses. Vi...
Tags: Health, Science, News, New York City, Trends, Pfizer, University of Oxford, Vaccines, Mount Sinai, Chicago Illinois, Soweto South Africa, Icahn School of Medicine, ORENSTEIN, Moderna, Siphiwe Sibeko, Aylin Woodward


Why the race to find Covid-19 vaccines is far from over

Despite the promising news from Pfizer and Moderna, other efforts – which may be even more effective – continue around the worldCoronavirus – latest updatesSee all our coronavirus coverageWhile everyone celebrated this month’s news that not one but two experimental vaccines against Covid-19 have proved at least 90% effective at preventing disease in late-stage clinical trials, research into understanding how the Sars-CoV-2 virus, which causes Covid-19, interacts with the human immune system neve...
Tags: Health, Science, Society, World news, Medical Research, Infectious Diseases, Vaccines and immunisation, Pfizer, Moderna, Coronavirus, Pfizer BioNTech


Covid vaccine technology pioneer: 'I never doubted it would work'

Katalin Karikó’s mRNA research helped pave way for Pfizer/BioNTech and Moderna’s successful workCoronavirus – latest updatesSee all our coronavirus coverageThe Hungarian-born biochemist who helped pioneer the research behind the mRNA technology used in the two Covid-19 vaccines showing positive results believes it was always a no-brainer.“I never doubted it would work,” Katalin Karikó told the Guardian. “I had seen the data from animal studies, and I was expecting it. I always wished that I woul...
Tags: Health, Science, Biology, Society, UK News, World news, Chemistry, Medical Research, Vaccines and immunisation, Biochemistry and molecular biology, Moderna, Coronavirus, Pfizer BioNTech, Katalin Karikó


China's Xi Jinping pledged to work with other countries to accelerate COVID-19 vaccinations

Chinese President Xi Jinping. Noel Celis - Pool/Getty Images At the G20 Summit in Saudi Arabia, President Xi Jinping of China pledged to intensify cooperation on a global effort to develop vaccines for COVID-19, Reuters reported. Pfizer and BioNTech, as well as Moderna, have in the past two weeks announced vaccines that the companies maintain could be more than 90% effective in fighting the disease caused by the novel coronavirus. China is developing three vaccines that are now in Phase II...
Tags: Europe, Science, Saudi Arabia, China, Trends, United States, Xi Jinping, G20 Summit, Pfizer, Vaccines, Reuters, Riyadh, Xi, Matthew DeBord, Moderna, Coronavirus


'The cavalry is on the way': Fauci says Americans should 'double down' on COVID-19 precautions as we reach the final stretch before the first vaccines

GRAEME JENNINGS/POOL/AFP via Getty Images This month, Moderna, BioNTech, and Pfizer all announced that their COVID-19 vaccine candidates had passed phase 3 testing.  Dr. Anthony Fauci, the nation's leading expert on COVID-19, said that Americans should take the breakthroughs as more reason to combat "COVID fatigue," at The New York Times DealBook conference Tuesday.  "The cavalry is on the way," Fauci said.  Visit Business Insider's homepage for more stories. Dr. Anthony Fauci, Director o...
Tags: Health, Science, News, Thanksgiving, Trends, New York Times, Italy, Fda, Pfizer, Anthony Fauci, New York Times Read, The Food and Drug Administration, Andrew Ross Sorkin, Fauci, Cambridge Massachusetts, National Institute of Allergy


Russia wants to distribute its questionable coronavirus vaccine to other countries: report

Russian President Vladimir Putin Mikhail Svetlov/Getty Images Russian President Vladimir Putin wants to distribute its questionable Sputnik V coronavirus vaccine to other countries, Reuters reported Saturday. Russia first approved Sputnik V in August, but experts and health officials were skeptical the vaccine would work since it did not go through necessary phase 3 trials.  The Kremlin also kept important information relevant to the vaccine's success out of the public's eye. This included...
Tags: Health, Politics, Science, Putin, Vladimir Putin, White House, Russia, International, Trends, G20, United States, G20 Summit, Pfizer, Vaccine, Kremlin, Reuters


Doctors and health officials in US coronavirus hotspots tell the same story: We're being villainized and ignored while trying to save lives

Healthcare workers wait to administer free coronavirus tests in Columbus, Ohio, on November 19. Stephen Zenner/AFP/Getty Images Doctors, nurses, and public-health officials in the Midwest told Business Insider they face antagonism from people who refuse to take precautions to curb the coronavirus' spread.  The region is suffering a devastating surge in COVID-19 cases, hospitalizations, and deaths. One emergency physician said he got a death threat. A North Dakota health official said she h...
Tags: Science, News, White House, Brown University, US, Trends, Public Health, Wyoming, Missouri, North Dakota, Idaho, South Dakota, Iowa, Nebraska, Associated Press, Pfizer


Morgan Stanley predicts it will take 4 to 9 months to vaccinate the rest of the US after first responders and vulnerable people

Steve Parsons-WPA Pool/Getty Images Two COVID-19 vaccines, one made by Moderna, another by Pfizer and BioNTech, announced promising results from their Phase 3 trials this week.  Moderna announced that its vaccine was 94.5% effective on Monday, and Pfizer/BioNTech announced that their vaccine was 95% effective on Wednesday.  Assuming that one or both of the vaccines receive emergency approval from the FDA, first responders and vulnerable populations will receive vaccines through March, a n...
Tags: Science, News, US, Trends, Walgreens, Food And Drug Administration, Fda, Pfizer, Vaccine, Morgan Stanley, Cvs, CVS Health, Steve Parsons, Moderna, BioNtech, COVID-19


Pfizer Just Filed for Emergency Approval of Its Covid-19 Vaccine. What's Next?

On Friday morning, Pfizer and BioNTech announced that they would be seeking an emergency use authorization from the Food and Drug Administration today for their jointly developed covid-19 vaccine. If granted, that would make this vaccine likely the first to reach the public in the U.S., followed closely by Moderna’s…Read more...
Tags: Science, Cdc, Food And Drug Administration, Fda, Pfizer, Vaccines, Moderna, BioNtech, Coronavirus, Covid 19


How the coronavirus vaccine development compares to other shots in history

The invention of the bifurcated needle allowed more efficient vaccine delivery. Carol Smiljan/NurPhoto via Getty Images Vaccine research and development has improved massively throughout history. Nearly 200 years passed between the creation of the first successful vaccine and the eventual eradication of smallpox. The influenza virus was isolated in a lab in 1933, and the first flu vaccine wasn't licensed until 1945. Coronavirus vaccine research began just a few months after the first case ...
Tags: Japan, New York, Science, London, Australia, Cdc, Germany, Boston, Africa, US, Trends, Merck, History, Harvard, Healthcare, MMR


Coronavirus vaccine research and distribution plans overlook an important, growing group: people who already got sick

Kate Bingham, Chair of the UK government's Vaccine Taskforce, starts her Novavax trial at the Royal Free Hospital in London. Kirsty O'Connor/PA Images via Getty Images US public-health experts aren't sure when Americans who've survived the coronavirus will be eligible for a vaccine. Some leading trials — including Moderna's — excluded anyone with a history of coronavirus infection, so researchers don't yet know how a vaccine would affect those people. Without that data, experts say...
Tags: UK, Science, London, News, Washington, Massachusetts, US, Trends, Italy, Pfizer, Centers For Disease Control And Prevention, Indiana University, Johnson Johnson, National Academy of Sciences, Lambert, Rockefeller University


'Potentially catastrophic': Sen. Chris Murphy sounds the alarm on the Trump administration not briefing the Biden team on COVID-19 vaccine distribution

Chris Murphy. Zach Gibson/Getty Images The Trump administration told senators during a Thursday briefing that their vaccine team has not yet reached out to the Biden camp to begin coordination on vaccine rollout, Sen. Chris Murphy tweeted.  Murphy, who serves on the Senate's Health Education, Labor, and Pensions Committee, called the lack of outreach 62 days before Inauguration Day "potentially catastrophic." Two companies, Pfizer and Moderna, have recently reported promising results from ...
Tags: Politics, Science, Supreme Court, White House, US, Trends, Joe Biden, Connecticut, Commission, Food And Drug Administration, General Services Administration, Fda, Pfizer, Biden, Donald Trump, Clinton


Operation Warp Speed bought 100 million doses of Pfizer's and Moderna's vaccines before results came in. That $3.5 billion bet is paying off.

President Donald Trump delivers remarks on Operation Warp Speed. Shealah Craighead, White House The US launched Operation Warp Speed, an initiative to deliver coronavirus shots to Americans, in May. The program has funded the manufacturing of six promising vaccine candidates while clinical trials are ongoing. That includes shots from Pfizer and Moderna. Both companies recently announced positive results from their final stage of clinical trials. Warp Speed plans to distribute doses as soon...
Tags: Science, News, Cdc, White House, US, Trends, Department Of Defense, Bloomberg, European Union, Joe Biden, Ap, New York Times, Wisconsin, World Health Organization, Michigan, Fda


Oxford's COVID-19 vaccine is safe and produces an immune response in older adults, encouraging early trial results suggest

Kate Bingham, Chair of the Government's Vaccine Taskforce, after starting her Novavax trial at the Royal Free Hospital, north London on October 13, 2020. Kirsty O'Connor/PA Images via Getty Images Early trial results published in The Lancet suggest The University of Oxford and AstraZeneca's COVID-19 vaccine produces an immune response and is safe in older adults. This is important because older adults are more likely to develop severe cases of the virus, and some vaccines aren't as...
Tags: UK, Science, London, Trends, Healthcare, Oxford, Astrazeneca, Pfizer, Vaccine, University of Oxford, Oxford University, Today programme, Pollard, Royal Free Hospital, Novavax, Andrew Pollard


Moderna's coronavirus vaccine doesn't need to be as icy cold as Pfizer's, and that could make it easier to distribute

Oil markets surged in the hours after Pfizer announced positive results from its coronavirus vaccine study. Dado Ruvic/Reuters Moderna and Pfizer have both announced promising trial results this week, suggesting their coronavirus vaccines perform very well at preventing COVID-19 infections.  But Moderna's shots can be kept in the fridge for a month, while Pfizer's can only last five days that way.  Pfizer has developed special vaccine briefcases that can keep its shots frozen properly for ...
Tags: Science, News, US, Trends, Public Health, Fda, Pfizer, Vaccines, Reuters, US Food and Drug Administration FDA, Baltimore Maryland, University of Maryland School of Medicine, Adalja, Amesh Adalja, Pandemic, Moderna


Moderna and Pfizer's coronavirus vaccines are more than 94% effective. Here's how that compares to shots for flu, measles, and more.

A healthcare worker injects a patient with the Pfizer and BioNTech coronavirus vaccine during the phase 3 trial in Turkey in October. Dogukan Keskinkilic/Anadolu Agency via Getty Images Pfizer reported Wednesday that its coronavirus vaccine candidate was found to be 95% effective in preventing COVID-19 in clinical trials. Moderna's vaccine candidate was found to be 94.5% effective in trials. The chart below shows how the efficacy of those vaccine candidates compares to the effectiveness of...
Tags: Health, Science, News, Nbc, Massachusetts, Trends, Turkey, MMR, Food And Drug Administration, Astrazeneca, Pfizer, Anthony Fauci, Johnson Johnson, Moderna, Andrew Dunn, BioNtech


U.S. Could See 2,000 Covid-19 Deaths Per Day by Christmas: Report

The U.S. could see 2,000 Americans dying per day by Christmas if strict new mitigation strategies aren’t adopted, according to warnings from doctors on the White House Coronavirus Task Force and a new report from CBS News. The alarming news comes as the U.S. reports 1,565 deaths from covid-19 on Tuesday alone, with…Read more...
Tags: Health, Science, Thanksgiving, Minnesota, Cbs News, Nurses, White House, Christmas, Joe Biden, Ptsd, Healthcare, Doctors, Wisconsin, Pfizer, Vaccines, Illinois


Pfizer's and Moderna's vaccines likely work for all existing coronavirus strains. Don't worry about mutations for now, scientists say.

Mustafa Gerek participates in a coronavirus vaccine trial at Ankara City Hospital in Ankara, Turkey, October 13, 2020. Aytac Unal/Anadolu Agency via Getty Images The coronavirus vaccine candidates from Pfizer and Moderna both prevented COVID-19 in clinical trials. Research suggests the coronavirus is genetically stable, which means it mutates very slowly. So the leading vaccines should work well long-term against all strains of the virus. By contrast, viruses like the flu accumulate geneti...
Tags: Health, Science, News, China, Trends, Paris, Switzerland, Fda, Pfizer, Vaccines, Seattle, Mutations, Wuhan, Mount Sinai, Don, Bedford



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