Chinese state media has rushed to defend its locally developed coronavirus vaccines, with a senior health official insisting that he was “misunderstood” when he appeared to question the jabs’ efficacy.Gao Fu, head of the Chinese Center for Disease Control and Prevention, told a conference over the weekend that the government was considering mixing vaccines and varying dosing regimens as a way to deal with "not high efficacy" of existing jabs. It was a rare official acknowledgment of the difficulties facing China's vaccination programme.But on Sunday, Mr Gao said that his remarks had been...…Chinese state media has rushed to defend its locally developed coronavirus vaccines, with a senior health official insisting that he was “misunderstood” when he appeared to question the jabs’ efficacy.Gao Fu, head of the Chinese Center for Disease Control and Prevention, told a conference over the weekend that the government was considering mixing vaccines and varying dosing regimens as a way to deal with "not high efficacy" of existing jabs. It was a rare official acknowledgment of the difficulties facing China's vaccination programme.But on Sunday, Mr Gao said that his remarks had been...WW…