Britton A, Fleming-Dutra KE, Shang N, Smith ZR, et al. Association of COVID-19 Vaccination With Symptomatic SARS-CoV-2 Infection by Time Since Vaccination and Delta Variant Predominance. JAMA 2022 Feb 14. pii: 2789294. doi: 10.1001/jama.2022.2068.
PMID: 35157002