The number of people tested has increased by 24 since Monday - but all results were negative.
Peter Derrick, 58, suffered a cardiac arrest after ejecting Thomas Conaghan from the Viceroy Bar in Glasgow last summer.
As of Thursday, a total of 130 people across the UK have been tested for the deadly flu-like virus.
Another nine people across the UK have also tested negative, it has been announced.
The Scottish Government earlier confirmed that five people were being examined.