direct to your inboxThe latest coronavirus infection rates demonstrate a widening gap between northern and southern boroughs in Greater Manchester.Public Health data from the week ending December 6 shows that boroughs which lie south of the city now have an infection rate lower than the national average.It comes as Greater Manchester Mayor Andy Burnham said the disparity in rates could see the conurbation split up into different tiers when the government come to review the system next week.He added that leaders would prefer to see the region move 'as one,' but accepted that discussions would need to take place with local MPs in the coming days.Both Trafford and Stockport have remained among the lowest end of the spectrum in recent weeks,.