British Astrazeneca reported the 70 percent effectiveness of its coronavirus vaccine
Coronavirus vaccine, developed by Astrazeneca and Oxford University, showed the average efficiency of coronavirus protection at 70%, the company's website says. The effectiveness indicator of one vaccine dosage option was 90%, the effectiveness of the second option was 62%. In the first case, volunteers were introduced half the dose of the vaccine and a full dose later, in the second option, two complete doses of the drug with an interval of at least a month were administered.