Coronavirus infection rates are rising in seven boroughs of Greater Manchester, with one area seeing a significant jump in cases.The latest figures from Public Health England show that cases have risen by 20 per cent in Tameside in the seven days ending March 11.Political leaders, including the mayor of Greater Manchester, suggest this is likely to be connected to the return of schools on March 8.Pupils across the country are being asked to test themselves for Covid-19 several times a week - which is being linked to a rise in cases.Andy Burnham tweeted today (Monday): "For those wondering what’s going on, we did predict last week that the school testing regime would have this effect on the figures."No room for complacency of course, and.