Researchers from University College Dublin have reviewed 17 studies to understand how the virus has spread around the world. Their findings suggest that between 33% and 88% of people with the virus caught it from people they didn’t even know were infected. The results also showed that it take an average of six days before a person starts showing symptoms. But the change has prompted fears that commuters and workplaces would struggle to maintain social distancing guidelines. And unions said the packed carriages this morning showed how workers returning is "fraught with danger".

Source: Daily Mirror May 13, 2020 09:41 UTC