Beijing dismisses Republican report into Covid-19's Wuhan lab origins as 'concocted lies and distorted facts' that 'smears and slanders China'
Communist Party spokesman said the GOP report was 'based on concocted lies and distorted facts without providing any evidence, is not credible or scientific'
He accused US congressmen of 'smears and slander in pursuit of political gains'
Comes after damning report by Republicans accused the Chinese of a cover-up
It said the Wuhan lab was working to modify coronaviruses with US funding