Allowing Christmas mixing as new Covid variant surged 'was a mistake and will have tragic consequences' The director of public health for Rochdale, where cases have doubled since Christmas Day, says allowing mixing of household at Christmas was a mistake The video will auto-play soon8Cancel Play now direct to your inboxInvalid EmailSomething went wrong, please try again later. Click here When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice The 'mistake' of allowing festive mixing combined with a new coronavirus variant will have tragic consequences, says the director of public health for Rochdale, where cases have doubled since Christmas Day