Young BC, Eyre DW, Kendrick S, White C, et al. Daily testing for contacts of individuals with SARS-CoV-2 infection and attendance and SARS-CoV-2 transmission in English secondary schools and colleges: an open-label, cluster-randomised trial. Lancet 2021 Sep 14. pii: S0140-6736(21)01908.
PMID: 34534517