China is accused of hiding the findings of a coronavirus expert - known as "Bat Woman" - after she quickly identified the genetic make-up of the new strain that has infected millions.
Wuhan-based virologist Shi Zhengli is one of the world's top researchers on coronaviruses and has discovered dozens of deadly SARS-like viruses in bat caves.
She studied samples taken from some of the first people to become infected with the new and then-mysterious respiratory illness in China in December and found it was similar to SARS.
It was identified as a novel coronavirus and within three days she completed its gene sequencing, but it is claimed she was "muzzled" and ordered not to reveal any information about the new disease.
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