2021, ' Virological Characterization of Critically Ill Patients With COVID-19 in the United Kingdom : Interactions of Viral Load, Antibody Status, and B.1.1.7 Infection ', The Journal of Infectious Diseases, vol. 224, no. 4, pp. 595-605 . https://doi.org/10.1093/infdis/jiab283
Wellcome Open Research 2020, ' Antibody testing for COVID-19 : A report from the National COVID Scientific Advisory Panel ', Wellcome Open Research, vol. 5, pp. 139 . https://doi.org/10.12688/wellcomeopenres.15927.1