key: cord-0778433-e8p6wnil authors: Okano, Justin T; Blower, Sally title: Preventing major outbreaks of COVID-19 in jails date: 2020-04-29 journal: Lancet DOI: 10.1016/s0140-6736(20)31015-1 sha: ddab3cc959be9b31f8babd27a540a81bc32a4915 doc_id: 778433 cord_uid: e8p6wnil nan The mathematical expression for the Basic Reproduction Number for SARS-CoV-2 in a jail ( " #$ ) is equal to: In this expression is the probability an infected inmate is symptomatic, 1 − is the probability an infected inmate is asymptomatic, is the transmissibility (per contact) of SARS- To generate the figure we calculated the values for and 1/ that would ensure that the above expression was equal to one. For the remaining parameters we set: = 0 · 65, 1 = 0 · 5 , 2 1/ = 14 days, 3 and 1/ = 60 days. 4 We set such that " #$ ∈ 1 · 1, 1 · 5 . COVID-19: What proportion are asymptomatic? The Centre for Evidence-Based Medicine Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (SARS-CoV2) The incubation period of coronavirus disease 2019 (COVID-19) from publicly reported confirmed cases: estimation and application Los Angeles County Jail system by the numbers. Los Angeles Almanac