By Benedict Tetzlaff-Deas Covid cases will continue to surge for weeks as this current wave ‘has not yet peaked”, scientists have warned. New figures show that overall numbers have soared over the Christmas and New Year period, with JN.1 subvariant emerging as the dominant strain in the last few weeks. It grew from making up just one per cent of coronavirus cases at the end of October to five per cent by mid-November – and is now topping the table of infections after reaching 51 per cent on Christmas Day. JN.1, which has been reported worldwide, is a descendant of the Pirola variant and has be…