German physicist says he is ‘99.9 per cent sure’ coronavirus leaked from a lab  Dr Roland Wiesendanger says failure of scientists to discover a host animal, along with safety deficiencies at lab have convinced him of the leak theory 

Dr Roland Wiesendanger, a physicist from the University of Hamburg, has published a 100-page paper laying out what he claims is evidence pointing to a leak at the Wuhan Institute of Virology, in the city where the pandemic began.

Coronavirus: German scientist says he is ‘99.9 per cent sure’ it leaked from Wuhan lab | Daily Mail Online