coronavirus which is as much as 10 times more infectious than others. The mutation called D614G, observed in other parts of the world, was found in at least three of the 45 cases in a cluster understood to have started at a restaurant.It happened after the owner who had returned from India breached his 14-day quarantine.He has since been sentenced for to five months behind bars and also fined.Another strain was found in a group returning to the country from the Philippines.Top US immunologist Dr Anthony Fauci said the new mutation might help with the spread of coronavirus.