A nurse is worried she was lured into a false sense of security regarding the vaccine after she caught coronavirus only a matter of weeks after receiving the Pfizer vaccine.The NHS employee, who wishes to remain anonymous, works within the Hywel Dda University Health Board area in south-west Wales, which covers Pembrokeshire Local, Ceredigion and Carmarthenshire.She's said of her new positive test result that she is "angry and heartbroken" that she's caught the deadly virus at this stage.Wales is also in a tight lockdown, with First Minister Mark Drakeford set to review the measures next week as the UK continues to report staggering death figures.The new mutant strain of Covid has been ripping across Britain, and the nurse in question.