Pandemic peak SARS-CoV-2 infection and seroconversion rates in London frontline health-care workers. Issue 10246 (25th July 2020) - Houlihan, Catherine F; Vora, Nina; Byrne, Thomas; Lewer, Dan; Kelly, Gavin; Heaney, Judith; Gandhi, Sonia; Spyer, Moira J; Beale, Rupert; Cherepanov, Peter; Moore, David; Gilson, Richard; et al.