Manchester is approaching 300 new Covid-19 cases per 100,000 people as the city grapples with escalating infection rates amongst students and young people.The virus has spread rapidly through university campuses and student accommodation where case numbers among 17 to 21-year olds are more than treble Manchester’s overall rate of infection.Hundreds of students and staff have tested positive for Covid-19 in the past ten days, pushing the city’s infection rates to become the highest in Greater Manchester and one of the worst in the country.On Thursday health secretary Matt Hancock has ruled out any further restrictions in the city-region despite Manchester reporting 259 cases per 100,000 - a figure which is expected to rise in the coming.