Vasileiou, E., Bradley, D., Chuter, A., de Lusignan, S., Docherty, A., Ford, D., Hobbs, F., Joy, M., Katikireddi, S., Marple, J., McCowan, C., Simpson, C., McGagh, D., McMenamin, J., Moore, E., Murray, J., Pan, J., Ritchie, L., Shah, S., Stock, S., Torabi, F., Tsang, R., Robertson, C., Wood, R., Woolhouse, M., Sheikh, A., Shi, T., Kerr, S., Agrawal, U., Akbari, A., Bedston, S. & Beggs, J. 2021, 'Effectiveness of First Dose of COVID-19 Vaccines Against Hospital Admissions in Scotland: National Prospective Cohort Study of 5.4 Million People'. To be published in The Lancet [Preprint]. Available at: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3789264