Table 1.

Inclusion and exclusion criteria.

Inclusion	Exclusion
Confirmed diagnosis of C19 Hospital and community samples Pre-prints (2020 onwards)—subsequently excluded papers which not subsequently published	None COVID-19 data Unknown time points or less than 4 weeks of recorded symptoms Non-English language Paediatric sample Letter to editor, opinion pieces, conference abstract and posters (if unable to locate paper) Narrow/low generalisability, i.e., small sample size (<100)