In COVID-19 clinical update #52, Daniel Griffin reviews differences in attack rates between children and adults, J&J vaccine phase III data, G6PD deficiency and vaccines, NIH halts convalescent plasma trial, dexamethasone in hospitalized patients, data on tocilizumab, and long COVID in children.

TWiV reviews the latest data on the UK variant of SARS-CoV-2, including some properties of the variant and why it is being closely studied, development of liver cancer in a participant in a adenovirus-associated virus gene therapy trial, and answers to listener questions.