CriticalAn extraordinarily powerful memoir based on the diaries of intensive care nurse Anthea Allen, who worked on the front line of one of the largest hospitals in Europe during the Covid crisis. A nurse for 25 years, Anthea thought she had seen it all. But with Covid came the greatest trial, personally and professionally, of her life. Thrust into hourly challenges many a matter of life and death while on the Critical Care units of St Georges in south