RIO DE JANEIRO, BRAZIL - Russia is closer to becoming the first country to begin distributing a coronavirus vaccine to the world. The country announced yesterday that it has completed part of the clinical trials required to prove the efficacy of the immunization developed at the initiative of the Russian government.
"The research has been completed and the vaccine has proven to be safe," Yelena Smolyarchuk, head of Sechenov University's clinical research center, told . . .