Russia recently claimed to have successfully developed the world’s first new crown vaccine, the World Health Organization said on Thursday that it did not have enough information to judge the reliability of the vaccine. In response to a question on the reliability of vaccines in Russia, Bruce elwald, senior adviser to the director general of who, said in a video press conference on Thursday (13) that the who does not have enough information to make a judgment and will continue to communicate with Russia to obtain more information about the tests it has conducted and the actions to be taken in the next step. < / P > < p > with the spread of new coronavirus in the world for about nine months, vaccine development and supply has become one of the most concerned issues in the world. The World Health Organization has previously said that there are more than 150 vaccine candidates in the world, and about 28 vaccines are being tested in humans. Among them, 6 vaccines have entered the third stage of trials for a large number of people. < / P > < p > it is reported that the Russian vaccine code named “Sputnik V” is one of the 28 vaccines under clinical evaluation. It is reported that the third phase of human clinical trial may be conducted in Brazil. As for the six vaccines entering the final phase III trial, three of them are from China and the other three are from western countries, according to Mike Ryan, who executive director of health emergencies, in early August.