Ayrshire in a post-Christmas surge.The number of people being diagnosed with Covid has gone up by 30 per cent since Boxing Day last year, with cases rising at a rate of around 100 per week.On December 26 the number of positive cases recorded since the pandemic began was 8,771 by January 14 that number had risen to 11,560 - a total of 2,958 new cases.Boxing Day was the first day of a Tier 4 national lockdown, with tougher measures brought in on January 5 to deal with a faster spreading new