Lee, B., Ashcroft, T., Agyei-Manu, E., Farfan de los Godos, E., Leow, A., Krishan, P., Kulkarni, D., Nundy, M., Hartnup, K., Shi, T., McSwiggan, E., Nair, H., Theodoratou, E., McQuillan, R. & Usher Network for COVID-19 Evidence Reviews (UNCOVER) Group 2022, 'Clinical features of COVID-19 for integration of COVID-19 into influenza surveillance: A systematic review', Journal of Global Health, 12, article no: 05012. https://doi.org/10.7189/jogh.12.05012