"In 2005, a group including researchers from the Wuhan Institute of Virology published research into the origin of the
SARS coronavirus, finding that China's
horseshoe bats are natural reservoirs of SARS-like coronaviruses.
[6] Continuing this work over a period of years, researchers from the Institute sampled thousands of horseshoe bats in locations across China, isolating over 300 bat coronavirus sequences.
[7]
In 2015, the Institute published successful research on whether
a bat coronavirus could be made to infect
HeLa. A team from the Institute engineered a
hybrid virus, combining a bat coronavirus with a SARS virus that had been adapted to grow in mice and mimic human disease. The hybrid virus was able to infect human cells.
[8][9]"
Tuolla siis kehitettiin jo 2015 ihmiseen tarttuva koronavirus. Hyvin vaikea ainakaan itse tuon tiedon valossa on uskoa että virus tuli mistään muualta kuin tuolta.