Scientists Claim " Moreover, it is well tolerated. Thus, the results of early tests in the US are confirmed, the authors write in a study on medRxiv.. Phase I / II clinical trials were conducted in Germany on 60 healthy volunteers from 18 to 55 years old. The drug used according to the scheme of double inoculation (" An increase in the T-cell immune response has also been noted: this type of white blood cell (CD4 + and CD8) is an essential component of immunity against pathogens, which often provides long-term and sustained protection. Four mRNA-based coronavirus vaccines have already been developed, this is one of them. It codes in the body for the production of the trimerized spike glycoprotein SARS-CoV-2. Lipid nanoparticles for delivery of " The companies said they plan to start phase IIb / III from day to day: will attract up to 30,000 volunteers to prove the effectiveness of the vaccine. Pfizer and BioNTech hope that regulators will evaluate their drug in October, and by the end of the year they want to produce up to 100 million doses and more than 1.3 billion doses in 2021. Already yesterday, the British authorities signed an agreement to purchase 30 million doses of Pfizer / BioNTech vaccine and additional doses from the French group Valneva. In the Russian Federation announced the creation of a vaccine against coronavirus Earlier it was reported that scientists said that the immunity to coronavirus in people who have had the disease decreases sharply in just three months. Other scientists objected that the coronavirus " News from Telegram. Subscribe to our channel https: // t. me / korrespondentnet Author: 1.