A mother-of-three who has been advised to shield has described feeling “petrified” as updated guidance states her children can still go out in Tier 4.No helpCharlie Shore from Walton-on-Thames in Surrey, said she lives in fear every day and that the new guidance on shielding published on 21 December “doesn’t feel any different” to what clinically extremely vulnerable people have been doing since the summer.Speaking to PA news agency, she said:The guidance doesn’t help or hinder me. It just means again we are doing this without help from supermarket deliveries which we used to get during the first lockdown, so we risk either going without or entering crowded…