Letter: A review of 310 patients admitted with COVID-19 to our institution in Dublin revealed abnormal liver blood tests were present in almost 50% of patients, in particular raised gamma-glutamyl transferase (gGT) levels (table 1), similar to that noted by Weber and colleagues.

See also, Newstalk article and podcast: Lockdown 'perfect storm' led to 30% increase in liver disease - Liver disease admissions at Beaumont Hospital have increased by 30% since the first lockdown as people began drinking more at home. On The Pat Kenny Show this morning Professor John Ryan, a consultant at the Dublin hospital’s hepatology unit said the figures were replicated at other Irish hospitals and in studies carried out in the US. Professor Ryan said the study compared admissions for liver disease in the first five months of 2021 to the same period last year and found the 30% increase. He said the time period between the first lockdown and the start of this year was enough to see problem drinking manifest as liver disease. [Podcast interview available on the Newstalk website]