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Dec 17, 2020 · Nine vaccinated participants became infected with the virus, compared with 169 individuals injected with the placebo, equating to 95% efficacy. Importantly, protection was high across different groups, regardless of age, ethnicity or underlying health conditions. The Pfizer/BioNTech vaccine for COVID-19 has reached the end of clinical trials ...
Jun 22, 2022 · The COVID-19 vaccine required an unprecedented effort - and more than just sleepless nights. In a special one-on-one-conversation at the World Economic Forum's Annual Meeting in Davos, Pfizer CEO Albert Bourla talked to founder Klaus Schwab about what the effort really required, including the type of trust and collaboration that could rely on verbal agreements in the short term when there was ...
Nov 11, 2020 · The new Pfizer COVID-19 vaccine that was found to be 90% effective will need to be refrigerated at -70 to -80 degrees. This creates a challenge for distribution and storage, as most hospitals can only refrigerate at around -2 to -8 degrees. At this temperature, the vaccine will spoil after five days. California has proposed building a ...
Mar 30, 2021 · Messenger RNA (mRNA) is a set of genetic instructions for our cells to make the spike protein, which is found on the surface of the coronavirus. The adjuvants in mRNA vaccines are lipid or polymer-based nanoparticles that protect and stabilise the fragile mRNA and improve its uptake by our immune cells. Over 550 million COVID-19 vaccines have ...
Apr 29, 2022 · How patents influence access to vaccines. This article was originally published by Mint. As the COVID-19 pandemic has demonstrated, the development of new vaccines plays a fundamental role in the management of infectious diseases. However, grave inequalities exist when it comes to access and availability of the vaccine across the globe.
Jul 25, 2021 · The Pfizer BioNTech and Moderna COVID-19 vaccines work differently from traditional vaccines so researchers wanted to know more about the immune system response. The second shot of a COVID-19 vaccine induces a powerful boost to a part of the immune system that provides broad antiviral protection, according to a study.
Jan 4, 2021 · This RNA vaccine – one of the world's first to be approved – was developed by US pharmaceutical giant Pfizer and its German partner BioNTech. Its active ingredient is messenger RNA, which is closely related to DNA and contains a synthetic version of COVID-19’s genetic code. Once injected, the patient’s immune cells follow the vaccine ...
Dec 7, 2021 · A new study shows mixing COVID-19 vaccines could make them more effective. A new study suggests different COVID-19 vaccines could be mixed. People have a better immune response when they received a first dose of AstraZeneca or Pfizer-BioNTech shots, followed by a Moderna dose, according to a new study. The findings are particularly important ...
Jul 15, 2021 · In April, Pfizer reported identifying counterfeit versions of its coronavirus vaccine in Mexico and Poland. The Mexican health regulatory agency, COFEPRIS, has issued six health alerts since January 2021, against the illegal sale of a long list of counterfeit AstraZeneca, Cansino, Moderna, Sinovac, Sinopharm and Pfizer COVID-19 vaccines.
Nov 20, 2020 · Netta Korin. Tackling COVID-19 will require the first-ever deployment of blockchain in the global distribution of a vaccine. Blockchain offers an immutable, decentralized database that can help all parties be sure that vaccine supplies are being stored and handled properly. In recent weeks, not one but two companies have announced COVID-19 ...
