The prevalence of elevated ALT in paediatric patients and adults with severe and non-severe COVID-19 were 10% (95% CI: 6, 14%), 27% (95% CI: 16, 39%), and 6% (95% CI: 3, 12%), respectively and the prevalence of elevated AST were 14% (95% CI: 7, 22%), 39% (95% CI: 20, 59%), and 8% (95% CI: 4, 14%), respectively. This evidence concerns the gene GPT and COVID-19.