Chinese military scientists reportedly discussed the benefits of bio-weapons in a document written five years before the start of the COVID-19 pandemic.
The Chinese-language paper describes 'SARS coronaviruses' as heralding a "new era of genetic weapons".
It also claims bio-weapons could be mass-produced at 0.05 per cent of the cost of traditional arms.
People's Liberation Army scientists are among 18 people who authored the 261 page document.
